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XYZ 53cc Twin

Old 12-01-2011, 10:21 AM
  #1  
rcfan450
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Default XYZ 53cc Twin

I can't seem to find a thread on here about the XYZ 53cc twin motor so I want to start one. There is little mention of this motor in a few other threads but lets see if we can pool all our resources and put them here. I just bought this motor today, can't wait for it to show up and see how it does...

[link=http://www.hobbyking.com/hobbyking/store/__11973__5_5HP_53cc_Twin_Cylinder_Gas_Engine_.html]motor link[/link]

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Old 12-01-2011, 10:34 AM
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Joespeeder
 
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Default RE: XYZ 53cc Twin

Hey rcfan450,


Try here. http://www.rcuniverse.com/forum/m_96..._1/key_/tm.htm


The thread hasn't been too active lately but there is good info in this thread also. http://www.rcuniverse.com/forum/m_10...24/key_/tm.htm


Joe
Old 12-01-2011, 01:30 PM
  #3  
soarrich
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Default RE: XYZ 53cc Twin

It's the same motor as this:
http://www.youtube.com/user/soarrich...12/9b4oYv4vbUg
I've flown them for 2 or 3 years no problem. Like all the built-up crank twins it doesn't suffer prop strikes well, you twist the crank, I haven't done it, but I know of two that have.
Old 12-06-2011, 09:17 AM
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Octopus RC
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Default RE: XYZ 53cc Twin

Here is the upgraded one , with better muffler won`t leaking anymore , and plus genuine NGK CM-6 Spark plug .[link=http://store.octopusrc.com/XYZ-53STS-Gasoline-Engines]http://store.octopusrc.com/XYZ-53STS-Gasoline-Engines[/link]
Old 12-06-2011, 09:20 AM
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rcfan450
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Default RE: XYZ 53cc Twin


ORIGINAL: Octopus RC

Here is the upgraded one , with better muffler won`t leaking anymore , and plus genuine NGK CM-6 Spark plug .Link = [link=http://store.octopusrc.com/XYZ-53STSGasoline-Engine]XYZ 53STS+[/link]
Bad link

Old 12-06-2011, 09:25 AM
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Octopus RC
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Default RE: XYZ 53cc Twin


Link is correct now !
Old 12-12-2011, 05:18 PM
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Default RE: XYZ 53cc Twin

Did Hobby King drop the engine?

Too bad the plugs are angled up out of the cylinders. There are few planes the plugs will fit within the cowl.
Old 12-12-2011, 06:20 PM
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Octopus RC
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Default RE: XYZ 53cc Twin


ORIGINAL: PlaneKrazee

Did Hobby King drop the engine?

Too bad the plugs are angled up out of the cylinders. There are few planes the plugs will fit within the cowl.
No , hobbyking still selling the 53STS. But the 53TS+ we are selling now have upgraded muffler and NGK CM6 spark plugs.
The new muffler will not leak anymore.
Hobbyking is a company selling many many hobby products and parts with low profile .they may don't have much time fcous on products which may need after sale service like gasoline engines.
Below is a link talking about plane with 53STS
http://www.rcuniverse.com/forum/m_94...m.htm#10856128
Old 02-28-2012, 05:26 PM
  #9  
cipelarin
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Default RE: XYZ 53cc Twin

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Friends.

In January of last year, I bought an XYZ 53cc, on HOBBYKING. The engine arrived in February, but by July, I couldn't get it to work. So, I concluded that the engine was defective and returned to the store. HOBBYKING reported that their warranty service was quick, but until today (28?FEB 2012?), I still haven't received my engine back. Already have sent dozens of questions, complaints and appeals, but the only response I get, we apologize for the delay, and request for patience because they don't have spare parts.

What should I do? What do you suggest? I've lost hope of receiving my engine back. I believe that I have been cheated, stolen by HOBBYKING. Please help me.

Thank you.

Claudio

Old 02-29-2012, 02:23 AM
  #10  
Octopus RC
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Default RE: XYZ 53cc Twin

Hi Claudio
It`s unbelievable , Hobbyking don`t carry spare parts for the engine they are selling !
Hobbyking selling to many products i think and they may not good at offer after sale service , just like a super market.
My suggestion for you is do your best to get engine or get money back .
Once you get engine back from Hongkong , contact with us at [email protected] or PM me in forum .
We can help you out , because we have factory support can offer any spare parts for XYZ /B&D / TGY engines .
Good luck !
Old 11-09-2012, 08:13 PM
  #11  
rcfan450
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Default RE: XYZ 53cc Twin

Ok, life happened last year, I'm finally getting around to building the plane this motor is going on. Which means I bench tested the motor today. Yeah!

Couple questions:

1 - do any of you actually use the spark plugs that come with these motors? They say CM-6 on them, but are they good quality? Do they last? They don't say NGK on the, are they true NGK plugs?
2- I bench tested the motor and it seems to run pretty good. Idles great. Smooth transition to top rpm.
Problem was I noticed leakage around the carb gaskets. Did I put the carb on backwards? High temp silicone and call it good?
3 - I also noticed when it was running that gas seemed to barely trickle through the small gas line from the inlet to carb area (not the main line from the tank, the small one on the carb/engine). Is this normal? I haven't paid attention to that on any of my other 50cc motors.
4 - Have any of you tapped these mufflers or ran a smoke system on this engine, just wondering how well it works?
5 - Though it seemed to run just fine, I read elsewhere that the ignition timing could be off, what is it supposed to be set at and how do I check it on this guy? I've done it for others, just not a twin.

I took pics of the leakage around the carb gaskets, seems to be leaking everywhere there is a gasket.

Thanks for the good looking mufflers Octopus RC

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Old 11-09-2012, 10:10 PM
  #12  
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Default RE: XYZ 53cc Twin

It's true . The fake spark plug come along with engine will not last long , so we sell this engine with real NGK CM-6 .
XYZ will have a new 40 twin released .Does anyone have interests on it ?
It's 1kg total without ignition and muffler .
Old 11-10-2012, 03:39 AM
  #13  
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Default RE: XYZ 53cc Twin


ORIGINAL: rcfan450


2- I bench tested the motor and it seems to run pretty good. Idles great. Smooth transition to top rpm.
Problem was I noticed leakage around the carb gaskets. Did I put the carb on backwards? High temp silicone and call it good?

3 - I also noticed when it was running that gas seemed to barely trickle through the small gas line from the inlet to carb area (not the main line from the tank, the small one on the carb/engine). Is this normal? I haven't paid attention to that on any of my other 50cc motors.

5 - Though it seemed to run just fine, I read elsewhere that the ignition timing could be off, what is it supposed to be set at and how do I check it on this guy? I've done it for others, just not a twin.


#2 I use something that looks like tar that I got at the auto parts store, not the black silicone. I don't think that it matters which way you put the gasket on when you have a external pulse pressure hose.

#3 I think that's normal on a twin with the carb on the bottom, the fuel can puddle in the bottom of the crankcase, I've never used a clear tube so I haven't seen it.

#5 It should be at 28° BTDC. http://www.youtube.com/watch?v=tVlX2...3&feature=plcp

I have a GR Pro 50, basically the same engine and have had good results on a #17 plane running a 20x10 cut down to about 18". I think you want it to spin up more than a 50cc single, remember it's really two 26cc together. http://www.youtube.com/watch?v=9b4oY...9&feature=plcp
Old 11-10-2012, 05:57 AM
  #14  
rcfan450
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Default RE: XYZ 53cc Twin

Thanks for your reply guys. I'm hesitant to mess with the timing cause the motor runs fine, what would I gain by changing it? Is it damaging itself slowly by firing too soon?
Old 11-10-2012, 06:16 AM
  #15  
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Default RE: XYZ 53cc Twin

It will run hotter if the timing is too advanced. It starts easier too if the timing is correct.
Old 11-10-2012, 06:26 AM
  #16  
rcfan450
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Default RE: XYZ 53cc Twin

I'm working on it right now, had to make me a make-shift board to bolt it up to and get a wire stuck in there like you had. We'll see what she says here shortly.
Old 11-10-2012, 06:43 AM
  #17  
rcfan450
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Default RE: XYZ 53cc Twin

Thanks for the video soarrich! This was a piece of cake to do (since I already had a degree gauge deally-o-bob). It was set at 35 degrees from factory, so I put it to about 29. It was close enough from factory to probably be fine but I moved it in a tad anyways. It's nice to know where it was at.
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Old 11-10-2012, 07:06 AM
  #18  
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Default RE: XYZ 53cc Twin

Yea, it's easy to do, and you feel better knowing it's right.

BTW, Octopus RC is good to deal with, I've bought from them, good prices and quick shipping.
Old 11-28-2012, 08:08 PM
  #19  
rcfan450
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Default RE: XYZ 53cc Twin

Hey have any of you had ignition issues with this motor? My motor ran great when I bench tested it about a month ago. Now that my plane is done and I'm ready to fly, I turn the plane on and the spark plugs are sparking (without the prop spinning) about every half second. I turn the prop to make sure the magnet isn't in the way and it still does it.

I'm running the ignition via the a Smartfly regulator set at 6 volts.

So I take it outside to run it and ... no go. I think I got a dud ignition. Very bummed as I was ready to maiden this weekend. Now I have another issue to figure out.
Old 11-28-2012, 09:02 PM
  #20  
rcfan450
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Default RE: XYZ 53cc Twin

I just wanted to post a follow up. Octopus RC is AWESOME! They are going to send me a new ignition. I don't know about you guys but pf all the other companies I have dealt with, some American, some Chinese - none of them are as quick to reply and as helpful with customer service. To me, customer service is everything. I am going to use Octopus RC for all my future rc needs.
Old 07-07-2013, 09:39 AM
  #21  
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Default RE: XYZ 53cc Twin

Hello and thanks for this thread!

My xyz 53cc STS twin from HobbyKing  runs smooth. I'm using prop 22x8. Full trottle 6700-6800 rpm. Idle 1500 rpm. The engine has been Running for at least 5 hour, so I guess its burned in?.
I have changed to NGK sparkes. 

The other day however, it stopped on half trottle. Had to put the plane down outsidere the airfield. Lucky no damage.
I turned the Low needle out 1/4 turn. Now I think its running a little bit ritch. Do any of you know how to tune the Low and High needle to gain maximum performance ?
Old 07-07-2013, 10:13 AM
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Default RE: XYZ 53cc Twin

I richened mine up just a tiny bit the other day and it made a BIG difference. I think the carb settings are just touchy. It almost died around half throttle - as in - it skips a few beats but then kept going. I landed and leaned it back out, ran like a champ. I'm not sure what to tell you on your motor but my guess is that you're too rich.

Here's two videos of my XZY running.

[youtube]http://www.youtube.com/watch?v=P9clw0A_9iM[/youtube]
[youtube]http://www.youtube.com/watch?v=75SVkLMOxXU[/youtube]
Old 07-07-2013, 11:22 AM
  #23  
haltom
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Default RE: XYZ 53cc Twin

Rcfan450, it seems that yours is running well!

I hope mine will too after it seems that I ritchened it too much. Yesterday I followed a general description I found on internet. For the L needle.
"Turn the L needle out at least 2 turns so it runs ritch. Start the engine and let it run for about one minute to get warm. Trottle down and let in run on idle. Then turn the L needle slowly in until it reaches max rpm on idle. If you turn more and the engine tends to stop, turn back again to Max. Then turn it 1/4 out."

Well it seems to run better now, and when I check, I think I'm back to fatcory settings again(when I received it I checked both needle).
Maybe the stop was bad ignition? Have you changed the ignition?

Se what I found in the xyz 53cc manual: ADJUSTMENTS AFTER ENGINE START UP


(A)ADJUSTING THE IDLING



●After engine start up, set the idling at about . Turn the L needle in (to reduce fuel), andsearch for the position for the max. Engine speed from that position,turn the L needleabout 1 1/2 circle, set the idling speed with the idle screw or the transmitter. 



Well I dont understand this at all. Turn the needle about 1 1/2 circle??? If it means 1 1/2 turn out after gaining Max on idle it must be totally wrong, don't you think?




Old 07-07-2013, 11:26 AM
  #24  
rcfan450
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Default RE: XYZ 53cc Twin

YES!! CHANGE IGNITION!

I forgot I did that. But before I ever even got to fly the plane, the ignition fried. I was just bench testing it and it just quit working. Fried completely. I'm glad it did that before flight.
Old 07-07-2013, 11:42 AM
  #25  
haltom
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Default RE: XYZ 53cc Twin

Tanks again for your answer!
Where can I Get new ignition for this engine. I'm living in Norway.

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