Engine Sources????
10-02-2008 | 04:46 PM
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From: Winter Haven,
FL
Engine Sources????
I may need another engine. I am not sure how my current deal is going to go. The current deal i was working on was a ready to go, 30cc homelite. Does anyone know where I can get an equivelent or similar engines. It is my first gas project. The boat iit is going on is a replica cottonmouth 36" long, 20" wide fiberglass hull. I am planing on running a APC 14 x 6 prop. Thanks.
(if anyone has a good used one, I am intrested!) Thanks
(if anyone has a good used one, I am intrested!) Thanks
10-03-2008 | 09:47 AM
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RE: Engine Sources????
Zenoahs are very good engines, for less of a cost, the CY engine is the engine of my choice. The CY is basically the same as the zenoah, except the CY out of the box has more HP. The ports are cut larger at the factory, it is easily upgraded.
[link=http://oneillbrothersracing.com/rccar/motors.htm]Oneill Brothers Racing[/link] all of the engines on this page will work for a airboat. Lester Burch with [link=http://kirkwoodrc.com/2401.html]Mudmasher Airboats[/link] has or can make the prop hub for any of the engines shown on the above link for Oneill Brothers.
You can get a engine with the clutch and the prop hub will also mount right on it. Clutch on a airboat is ok but not needed.
[link=http://oneillbrothersracing.com/rccar/motors.htm]Oneill Brothers Racing[/link] all of the engines on this page will work for a airboat. Lester Burch with [link=http://kirkwoodrc.com/2401.html]Mudmasher Airboats[/link] has or can make the prop hub for any of the engines shown on the above link for Oneill Brothers.
You can get a engine with the clutch and the prop hub will also mount right on it. Clutch on a airboat is ok but not needed.
10-08-2008 | 11:49 PM
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From: collegeville,
PA
RE: Engine Sources????
i think i have a 16X10 master airscrew prop. only 15 dollars. and i have a stock ryobi 31cc out of a weedwacker. i trimmed the flywheel by taking everything but the magnets and counter weight and backing because there is no need for the extra weight and resistance from the blades. i noticed some rpm increase. and for the backing plate the plastic just has to get trimmed. it is an easy engine to convert and there are prop hubs and mounts avaiable out there for it. oh this is a biggie... need an 11mm carb with 2 adjustments (high and low). a world of a difference. maybe 1500 with stock carb and a prop. 11mm carb wow...
12-01-2008 | 09:24 AM
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From: .,
UT
RE: Engine Sources????
ORIGINAL: Mr Cajun Gator
Zenoahs are very good engines, for less of a cost, the CY engine is the engine of my choice. The CY is basically the same as the zenoah, except the CY out of the box has more HP. The ports are cut larger at the factory, it is easily upgraded.
Zenoahs are very good engines, for less of a cost, the CY engine is the engine of my choice. The CY is basically the same as the zenoah, except the CY out of the box has more HP. The ports are cut larger at the factory, it is easily upgraded.
This is not correct. For identical displacement, the Zenoah makes more power in each case.
The Zenoah G230RC outperforms the Chung Yang CY23RC.
The Zenoah G260RC and G270RC (same displacement with 4-bolt head) outperform the Chung Yang CY26RC.
Chung Yang does offer: a 26.9cc engine - the CY27RC; a 28.5cc engine - the GP290, and a 28.9cc engine - the CY29RC. Zenoah does not currently offer any stock motors of these displacements (which have bores of either 35mm or 36mm), as the largest stock Zenoah bore is 34mm.
All else equal, however, a Zenoah will outperform and outlast a CY by a substantial margin.
I've sold more than ten thousand CY and Zenoah engines, so I have plenty of real-world data and experience on this topic.
12-01-2008 | 12:01 PM
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From: Lexington,
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RE: Engine Sources????
ORIGINAL: ryan@ddm
This is not correct. For identical displacement, the Zenoah makes more power in each case.
The Zenoah G230RC outperforms the Chung Yang CY23RC.
The Zenoah G260RC and G270RC (same displacement with 4-bolt head) outperform the Chung Yang CY26RC.
Chung Yang does offer: a 26.9cc engine - the CY27RC; a 28.5cc engine - the GP290, and a 28.9cc engine - the CY29RC. Zenoah does not currently offer any stock motors of these displacements (which have bores of either 35mm or 36mm), as the largest stock Zenoah bore is 34mm.
All else equal, however, a Zenoah will outperform and outlast a CY by a substantial margin.
I've sold more than ten thousand CY and Zenoah engines, so I have plenty of real-world data and experience on this topic.
ORIGINAL: Mr Cajun Gator
Zenoahs are very good engines, for less of a cost, the CY engine is the engine of my choice. The CY is basically the same as the zenoah, except the CY out of the box has more HP. The ports are cut larger at the factory, it is easily upgraded.
Zenoahs are very good engines, for less of a cost, the CY engine is the engine of my choice. The CY is basically the same as the zenoah, except the CY out of the box has more HP. The ports are cut larger at the factory, it is easily upgraded.
This is not correct. For identical displacement, the Zenoah makes more power in each case.
The Zenoah G230RC outperforms the Chung Yang CY23RC.
The Zenoah G260RC and G270RC (same displacement with 4-bolt head) outperform the Chung Yang CY26RC.
Chung Yang does offer: a 26.9cc engine - the CY27RC; a 28.5cc engine - the GP290, and a 28.9cc engine - the CY29RC. Zenoah does not currently offer any stock motors of these displacements (which have bores of either 35mm or 36mm), as the largest stock Zenoah bore is 34mm.
All else equal, however, a Zenoah will outperform and outlast a CY by a substantial margin.
I've sold more than ten thousand CY and Zenoah engines, so I have plenty of real-world data and experience on this topic.
I'm a nitro man but looking into the gasser world!
12-01-2008 | 01:37 PM
#7
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RE: Engine Sources????
To clear up my statement, yes the New G230RC does has 3/10 more hp than the CY 23.
For the RC Airboat I still stick to what I have said the CY is my engine of choice. My opinion is based on information, research from places that sell these engines.
Information from DDM
CY23RC 2.5 HP Engine - $149.00
Chung Yang CY23RC engine (32mm bore, 28mm stroke - 22.5cc) with Walbro WT-668 carb. 2.5 Horsepower. Similar design to the Zenoah G230RC - 4 transfer port 32mm cylinder, single ring piston, double sided finned flywheel, and HP exhaust canister. Ready to bolt-on. All parts are interchangeable with the Zenoah G230RC.
G230RC 2.8 HP Engine - $195.00
The brand-new 2005 Zenoah G230RC engine is a 22.5cc (32mm bore, 28mm stroke) performance machine. The engine features a stronger intake manifold for better thermal isolation, a red silicone spark plug cap, new blue gaskets, wider intake and exhaust ports, a lighter 32mm piston and thinner ring for reduced reciprocating mass, and improved transfer port matching between cases and cylinder. This engine offers serious performance. It features a 4 transfer port 32mm cylinder, Walbro WT-603 carburetor
CY27RC 3.25 HP Engine - $164.00
Chung Yang CY27RC engine (35mm bore, 28mm stroke - 26.9cc) with Walbro WT-668 carb. Includes 54mm inner clutch assembly pre-installed. Ready to bolt-on. 3.25 horsepower. Similar design to the Zenoah G230RC/G260RC - 4 transfer port hp cylinder, single ring piston, double sided finned flywheel, and hp exhaust canister.
G270RC 4-Bolt Engine w/Full ESP Porting 4+ HP - $439.00
The brand-new 2005 Zenoah G260RC engine is a 25.4cc (34mm bore, 28mm stroke) performance machine. The engine features a stronger intake manifold for better thermal isolation, a red silicone spark plug cap, new blue gaskets, wider intake and exhaust ports, a lighter 34mm piston and thinner ring for reduced reciprocating mass, and improved transfer port matching between cases and cylinder. This engine offers serious performance. It features a 4 transfer port 34mm cylinder, Walbro WT-603 carburetor
G260RC 3 HP Engine - $214.00
The brand-new 2005 Zenoah G260RC engine is a 25.4cc (34mm bore, 28mm stroke) performance machine. The engine features a stronger intake manifold for better thermal isolation, a red silicone spark plug cap, new blue gaskets, wider intake and exhaust ports, a lighter 34mm piston and thinner ring for reduced reciprocating mass, and improved transfer port matching between cases and cylinder. This engine offers serious performance. It features a 4 transfer port 34mm cylinder, Walbro WT-603 carburetor
The most recent testing I have done myself personally, was a speed comparison between a stock CY 27cc with the exception the carb was replaced by the walbro WT-813 and a CY29cc with the stuff crank and the walbro WT-813 carb.
Now I'm sure if you was to place each of these engines on a dyno the 29cc will show to have more hp than the 27cc.
The speed difference test was done on the same cajun gator rc airboat, same day, just a few minutes apart (5 minutes to change engines)
Result, top speed for the CY 29cc was 33.5mph top speed for the CY 27cc 36.6mph
Again as I stated the Zenoah is a very good engine.
For the RC Airboat I still stick to what I have said the CY is my engine of choice. My opinion is based on information, research from places that sell these engines.
Information from DDM
CY23RC 2.5 HP Engine - $149.00
Chung Yang CY23RC engine (32mm bore, 28mm stroke - 22.5cc) with Walbro WT-668 carb. 2.5 Horsepower. Similar design to the Zenoah G230RC - 4 transfer port 32mm cylinder, single ring piston, double sided finned flywheel, and HP exhaust canister. Ready to bolt-on. All parts are interchangeable with the Zenoah G230RC.
G230RC 2.8 HP Engine - $195.00
The brand-new 2005 Zenoah G230RC engine is a 22.5cc (32mm bore, 28mm stroke) performance machine. The engine features a stronger intake manifold for better thermal isolation, a red silicone spark plug cap, new blue gaskets, wider intake and exhaust ports, a lighter 32mm piston and thinner ring for reduced reciprocating mass, and improved transfer port matching between cases and cylinder. This engine offers serious performance. It features a 4 transfer port 32mm cylinder, Walbro WT-603 carburetor
CY27RC 3.25 HP Engine - $164.00
Chung Yang CY27RC engine (35mm bore, 28mm stroke - 26.9cc) with Walbro WT-668 carb. Includes 54mm inner clutch assembly pre-installed. Ready to bolt-on. 3.25 horsepower. Similar design to the Zenoah G230RC/G260RC - 4 transfer port hp cylinder, single ring piston, double sided finned flywheel, and hp exhaust canister.
G270RC 4-Bolt Engine w/Full ESP Porting 4+ HP - $439.00
The brand-new 2005 Zenoah G260RC engine is a 25.4cc (34mm bore, 28mm stroke) performance machine. The engine features a stronger intake manifold for better thermal isolation, a red silicone spark plug cap, new blue gaskets, wider intake and exhaust ports, a lighter 34mm piston and thinner ring for reduced reciprocating mass, and improved transfer port matching between cases and cylinder. This engine offers serious performance. It features a 4 transfer port 34mm cylinder, Walbro WT-603 carburetor
G260RC 3 HP Engine - $214.00
The brand-new 2005 Zenoah G260RC engine is a 25.4cc (34mm bore, 28mm stroke) performance machine. The engine features a stronger intake manifold for better thermal isolation, a red silicone spark plug cap, new blue gaskets, wider intake and exhaust ports, a lighter 34mm piston and thinner ring for reduced reciprocating mass, and improved transfer port matching between cases and cylinder. This engine offers serious performance. It features a 4 transfer port 34mm cylinder, Walbro WT-603 carburetor
The most recent testing I have done myself personally, was a speed comparison between a stock CY 27cc with the exception the carb was replaced by the walbro WT-813 and a CY29cc with the stuff crank and the walbro WT-813 carb.
Now I'm sure if you was to place each of these engines on a dyno the 29cc will show to have more hp than the 27cc.
The speed difference test was done on the same cajun gator rc airboat, same day, just a few minutes apart (5 minutes to change engines)
Result, top speed for the CY 29cc was 33.5mph top speed for the CY 27cc 36.6mph
Again as I stated the Zenoah is a very good engine.
12-01-2008 | 01:45 PM
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From: .,
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RE: Engine Sources????
ORIGINAL: Mr Cajun Gator
To clear up my statement, yes the New G230RC does has 3/10 more hp than the CY 23.
For the RC Airboat I still stick to what I have said the CY is my engine of choice. My opinion is based on information, research from places that sell these engines.
Information from DDM
CY23RC 2.5 HP Engine - $149.00
Chung Yang CY23RC engine (32mm bore, 28mm stroke - 22.5cc) with Walbro WT-668 carb. 2.5 Horsepower. Similar design to the Zenoah G230RC - 4 transfer port 32mm cylinder, single ring piston, double sided finned flywheel, and HP exhaust canister. Ready to bolt-on. All parts are interchangeable with the Zenoah G230RC.
G230RC 2.8 HP Engine - $195.00
The brand-new 2005 Zenoah G230RC engine is a 22.5cc (32mm bore, 28mm stroke) performance machine. The engine features a stronger intake manifold for better thermal isolation, a red silicone spark plug cap, new blue gaskets, wider intake and exhaust ports, a lighter 32mm piston and thinner ring for reduced reciprocating mass, and improved transfer port matching between cases and cylinder. This engine offers serious performance. It features a 4 transfer port 32mm cylinder, Walbro WT-603 carburetor
CY27RC 3.25 HP Engine - $164.00
Chung Yang CY27RC engine (35mm bore, 28mm stroke - 26.9cc) with Walbro WT-668 carb. Includes 54mm inner clutch assembly pre-installed. Ready to bolt-on. 3.25 horsepower. Similar design to the Zenoah G230RC/G260RC - 4 transfer port hp cylinder, single ring piston, double sided finned flywheel, and hp exhaust canister.
G270RC 4-Bolt Engine w/Full ESP Porting 4+ HP - $439.00
The brand-new 2005 Zenoah G260RC engine is a 25.4cc (34mm bore, 28mm stroke) performance machine. The engine features a stronger intake manifold for better thermal isolation, a red silicone spark plug cap, new blue gaskets, wider intake and exhaust ports, a lighter 34mm piston and thinner ring for reduced reciprocating mass, and improved transfer port matching between cases and cylinder. This engine offers serious performance. It features a 4 transfer port 34mm cylinder, Walbro WT-603 carburetor
G260RC 3 HP Engine - $214.00
The brand-new 2005 Zenoah G260RC engine is a 25.4cc (34mm bore, 28mm stroke) performance machine. The engine features a stronger intake manifold for better thermal isolation, a red silicone spark plug cap, new blue gaskets, wider intake and exhaust ports, a lighter 34mm piston and thinner ring for reduced reciprocating mass, and improved transfer port matching between cases and cylinder. This engine offers serious performance. It features a 4 transfer port 34mm cylinder, Walbro WT-603 carburetor
The most recent testing I have done myself personally, was a speed comparison between a stock CY 27cc with the exception the carb was replaced by the walbro WT-813 and a CY29cc with the stuff crank and the walbro WT-813 carb.
Now I'm sure if you was to place each of these engines on a dyno the 29cc will show to have more hp than the 27cc.
The speed difference test was done on the same cajun gator rc airboat, same day, just a few minutes apart (5 minutes to change engines)
Result, top speed for the CY 29cc was 33.5mph top speed for the CY 27cc 36.6mph
Again as I stated the Zenoah is a very good engine.
To clear up my statement, yes the New G230RC does has 3/10 more hp than the CY 23.
For the RC Airboat I still stick to what I have said the CY is my engine of choice. My opinion is based on information, research from places that sell these engines.
Information from DDM
CY23RC 2.5 HP Engine - $149.00
Chung Yang CY23RC engine (32mm bore, 28mm stroke - 22.5cc) with Walbro WT-668 carb. 2.5 Horsepower. Similar design to the Zenoah G230RC - 4 transfer port 32mm cylinder, single ring piston, double sided finned flywheel, and HP exhaust canister. Ready to bolt-on. All parts are interchangeable with the Zenoah G230RC.
G230RC 2.8 HP Engine - $195.00
The brand-new 2005 Zenoah G230RC engine is a 22.5cc (32mm bore, 28mm stroke) performance machine. The engine features a stronger intake manifold for better thermal isolation, a red silicone spark plug cap, new blue gaskets, wider intake and exhaust ports, a lighter 32mm piston and thinner ring for reduced reciprocating mass, and improved transfer port matching between cases and cylinder. This engine offers serious performance. It features a 4 transfer port 32mm cylinder, Walbro WT-603 carburetor
CY27RC 3.25 HP Engine - $164.00
Chung Yang CY27RC engine (35mm bore, 28mm stroke - 26.9cc) with Walbro WT-668 carb. Includes 54mm inner clutch assembly pre-installed. Ready to bolt-on. 3.25 horsepower. Similar design to the Zenoah G230RC/G260RC - 4 transfer port hp cylinder, single ring piston, double sided finned flywheel, and hp exhaust canister.
G270RC 4-Bolt Engine w/Full ESP Porting 4+ HP - $439.00
The brand-new 2005 Zenoah G260RC engine is a 25.4cc (34mm bore, 28mm stroke) performance machine. The engine features a stronger intake manifold for better thermal isolation, a red silicone spark plug cap, new blue gaskets, wider intake and exhaust ports, a lighter 34mm piston and thinner ring for reduced reciprocating mass, and improved transfer port matching between cases and cylinder. This engine offers serious performance. It features a 4 transfer port 34mm cylinder, Walbro WT-603 carburetor
G260RC 3 HP Engine - $214.00
The brand-new 2005 Zenoah G260RC engine is a 25.4cc (34mm bore, 28mm stroke) performance machine. The engine features a stronger intake manifold for better thermal isolation, a red silicone spark plug cap, new blue gaskets, wider intake and exhaust ports, a lighter 34mm piston and thinner ring for reduced reciprocating mass, and improved transfer port matching between cases and cylinder. This engine offers serious performance. It features a 4 transfer port 34mm cylinder, Walbro WT-603 carburetor
The most recent testing I have done myself personally, was a speed comparison between a stock CY 27cc with the exception the carb was replaced by the walbro WT-813 and a CY29cc with the stuff crank and the walbro WT-813 carb.
Now I'm sure if you was to place each of these engines on a dyno the 29cc will show to have more hp than the 27cc.
The speed difference test was done on the same cajun gator rc airboat, same day, just a few minutes apart (5 minutes to change engines)
Result, top speed for the CY 29cc was 33.5mph top speed for the CY 27cc 36.6mph
Again as I stated the Zenoah is a very good engine.
The reason the CY27RC gives you higher speed in your application is the shorter crank (CY27 is a 35mm bore, 28mm stroke setup - the CY29 is a 35mm bore, 30mm stroke setup). All else equal, a shorter crank will rev higher.
We've found the CY 35mm cylinders to be substantially less reliable than the other CY cylinders (36mm, 34mm, and 32mm). And all of the CY cylinders are less reliable than the Zenoah cylinders.
For a fixed-gearing application, where you want higher revs to get higher speed, a well ported Zenoah G260RC is an excellent choice. 28mm crank and good porting for high revs, while 34mm bore provides decent torque.
12-01-2008 | 04:23 PM
#9
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RE: Engine Sources????
I'm not saying that the CY or the zenoah, is more reliable than the other. Can also say that I have not had any trouble with the CY cylinder wearing, the CY has been holding up well. The point I have been trying to make is the CY cost less, it also has the power needed on a RC Airboat, and the engines has held up well. As for what engine to use for the rc car, water prop boat, or anything else that needs a engine to turn very high rpm's (14,000 and up) I could not say which would be better for the dollar.
On the RC Airboat 11,000rpm is the point at which props 14" diameter start to loose their performance, for this reason the engines last, with out much trouble. The test was done for the reason, I have many customers that want the biggest badest engine they can get for their rc airboat, it was to show that just because a engine is rated at a higher HP that it is not always the way to go.
Text on your site. You are welcome and thank you for putting it there.
My point and this is for RC Airboats, 2 engines, one for $164.00 and one for $214.00 both are comparable in HP, speed and power to move the airboat across land or water. Both will give a long time of fun and enjoyment, when properly taken care of. I do not sell either engine to make a profit, what ever the price difference is in the engine that is the price difference in the airboat, so I have no reason to say either engine is better than the other.
I have not built nor sold ten thousand gasoline powered boats, no where near that number, I can say that none of my customers have complained about their engine, the zenoah or the CY.
On the RC Airboat 11,000rpm is the point at which props 14" diameter start to loose their performance, for this reason the engines last, with out much trouble. The test was done for the reason, I have many customers that want the biggest badest engine they can get for their rc airboat, it was to show that just because a engine is rated at a higher HP that it is not always the way to go.
Text on your site. You are welcome and thank you for putting it there.
My point and this is for RC Airboats, 2 engines, one for $164.00 and one for $214.00 both are comparable in HP, speed and power to move the airboat across land or water. Both will give a long time of fun and enjoyment, when properly taken care of. I do not sell either engine to make a profit, what ever the price difference is in the engine that is the price difference in the airboat, so I have no reason to say either engine is better than the other.
I have not built nor sold ten thousand gasoline powered boats, no where near that number, I can say that none of my customers have complained about their engine, the zenoah or the CY.
12-01-2008 | 10:55 PM
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From: Milton,
ON, CANADA
RE: Engine Sources????
If you guys are looking for engines the HPI Baja guys are always getting rid of their "Fuelie 23CC" engines which are similar to the CY's. Another place to get a good adapter is from Al at BH Hanson. Here's the one I just got fom him: http://www.bhhanson.com/prop%20hub.jpg Mounts onto the shaft itself of a zen,cy,Smartech,fuelie.
12-02-2008 | 10:43 AM
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From: .,
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RE: Engine Sources????
ORIGINAL: SELWA
If you guys are looking for engines the HPI Baja guys are always getting rid of their "Fuelie 23CC" engines which are similar to the CY's
If you guys are looking for engines the HPI Baja guys are always getting rid of their "Fuelie 23CC" engines which are similar to the CY's
The HPI "Fuelie 23cc" is a CY23RC manufactured by Chung Yang. The HPI "Fuelie 26cc" is a CY26RC manufactured by Chung Yang.
12-02-2008 | 11:34 AM
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From: Milton,
ON, CANADA
RE: Engine Sources????
ORIGINAL: ryan@ddm
Similar? They're the same thing
The HPI "Fuelie 23cc" is a CY23RC manufactured by Chung Yang. The HPI "Fuelie 26cc" is a CY26RC manufactured by Chung Yang.
ORIGINAL: SELWA
If you guys are looking for engines the HPI Baja guys are always getting rid of their "Fuelie 23CC" engines which are similar to the CY's
If you guys are looking for engines the HPI Baja guys are always getting rid of their "Fuelie 23CC" engines which are similar to the CY's
The HPI "Fuelie 23cc" is a CY23RC manufactured by Chung Yang. The HPI "Fuelie 26cc" is a CY26RC manufactured by Chung Yang.
12-02-2008 | 04:22 PM
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From: Milton,
ON, CANADA
RE: Engine Sources????
Well if anyone comes by one here's some hints. The only thing interchangeable on them are the carbs. The pull starter,fan shroud, and mounting holes are all different than the Zens and CY's.
If possible stay away from them. My 23cc Smartech was only $40 from DDM during the as is sale you had so it's not bad form my airboat project fro the snow.
If possible stay away from them. My 23cc Smartech was only $40 from DDM during the as is sale you had so it's not bad form my airboat project fro the snow.
12-02-2008 | 05:06 PM
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From: .,
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RE: Engine Sources????
ORIGINAL: SELWA
Well if anyone comes by one here's some hints. The only thing interchangeable on them are the carbs. The pull starter,fan shroud, and mounting holes are all different than the Zens and CY's.
Well if anyone comes by one here's some hints. The only thing interchangeable on them are the carbs. The pull starter,fan shroud, and mounting holes are all different than the Zens and CY's.
12-02-2008 | 08:37 PM
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From: Milton,
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RE: Engine Sources????
Not a CY for sure. But works for my project!
See below is a CY and my Smartech. The Smartech doesn't contain the 4 bolts around the shaft. That part is together with the bottom portion.
See below is a CY and my Smartech. The Smartech doesn't contain the 4 bolts around the shaft. That part is together with the bottom portion.
