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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> Himoto Racing Support Forum >> looking for advice
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looking for advice - 9/3/2008 1:53:53 AM   
weeze


 

Posts: 43
Joined: 7/18/2008
From: Pontypool, ON, CANADA
Status: offline 		Running my truck yesterday i had ran two tanks throught it and on the third tank was doing full speed circles when i did a straight run the motor stopped. When i tried to pull the pull start it seem siezed when i pulled it harder it freed up when it started it went about 20 ft and stop again. The pull start tight again. So i freeded it up checked my high speed jet with was 2 turns back it out and got it running again it seem sluggest so i turn the high speed in to 1 1/2 turns at it ran the last half of the tank great no problems. What could have cause the stopping and is there something i should do or look at before i run it again. It was 28 Deg c could the heat be the problem?
       Post #: 1

RE: looking for advice - 9/3/2008 1:58:33 AM   
firebird78


 

Posts: 1558
Joined: 12/24/2007
From: lewis, KS, USA
Status: offline 		check for something that may have bound it up be it in the clutchbell or what not...I would tear the engine down and inspect it closely if it was mine.

_____________________________

HIMOTORACINGUSA, bodies by blue, allaboutfunhobbies
RXB-1, MTR-3, torpeda, torpeda pro, rapida

(in reply to weeze)
       Post #: 2

RE: looking for advice - 9/3/2008 2:01:18 AM   
weeze


 

Posts: 43
Joined: 7/18/2008
From: Pontypool, ON, CANADA
Status: offline 		If I tear it down will i have to re-break it in?

(in reply to firebird78)
       Post #: 3

RE: looking for advice - 9/3/2008 2:05:48 AM   
firebird78


 

Posts: 1558
Joined: 12/24/2007
From: lewis, KS, USA
Status: offline 		nope...all ur doing is inspecting it...now if say u need a new piston/sleeve you will need to break it in...make sure u seal it up good goin back together

_____________________________

HIMOTORACINGUSA, bodies by blue, allaboutfunhobbies
RXB-1, MTR-3, torpeda, torpeda pro, rapida

(in reply to weeze)
       Post #: 4

RE: looking for advice - 9/3/2008 2:10:29 AM   
weeze


 

Posts: 43
Joined: 7/18/2008
From: Pontypool, ON, CANADA
Status: offline 		Thanks i'll do that then. What would i be looking for when i inspected it? And if anybody else has any other advice let me know. I'm still new at this and looking to learn.

(in reply to firebird78)
       Post #: 5

RE: looking for advice - 9/3/2008 2:16:58 AM   
firebird78


 

Posts: 1558
Joined: 12/24/2007
From: lewis, KS, USA
Status: offline 		we were all new once...just dont let it scare you...your looking for debre or metal chunks and shavings.

_____________________________

HIMOTORACINGUSA, bodies by blue, allaboutfunhobbies
RXB-1, MTR-3, torpeda, torpeda pro, rapida

(in reply to weeze)
       Post #: 6

RE: looking for advice - 9/3/2008 2:21:40 AM   
weeze


 

Posts: 43
Joined: 7/18/2008
From: Pontypool, ON, CANADA
Status: offline 		I'm just pulling the head off and looking in the Cylinder for that ? Or is there more to it?

(in reply to firebird78)
       Post #: 7

RE: looking for advice - 9/3/2008 2:28:49 AM   
firebird78


 

Posts: 1558
Joined: 12/24/2007
From: lewis, KS, USA
Status: offline 		I would take the head off...the backplate off...and maybe even remove the rod and piston to inspect the engine....

_____________________________

HIMOTORACINGUSA, bodies by blue, allaboutfunhobbies
RXB-1, MTR-3, torpeda, torpeda pro, rapida

(in reply to weeze)
       Post #: 8

RE: looking for advice - 9/3/2008 2:31:48 AM   
Redharris



Posts: 1413
Joined: 12/21/2007
From: Panorama, CA, USA
Status: offline 		Weeze.....

You will be looking for any OBVIOUS damage of course. Like broken parts or metal shavings.
But more specifically you be looking at the Piston Sleeve to see if it has any deep scratches or even grooves. Look at the top of the piston for scorch marks (thats common and ok) and PITTING (thats NOT ok).

When you take apart the BACK PLATE (where the pullstart is) be careful of the flimsy paper gasket that seals the backplate. It is easy to damage.

Also, take your time removing the pullstart (so it doesnt go SPROING! ), that way you wont have to rewind the pullstart spring.

One last thing. Take note of which way the PISTON ROD is facing, so you put it back correctly. (It CAN be installed backwards, which would be bad...)

Here is a GREAT video showing how to safely disassemble/reassemble an RC engine.
http://www.youtube.com/watch?v=9v4ePOjjKNE
.


_____________________________

OFFICIAL HIMOTO RACING SUPPORT - THE REVOLUTION HAS BEGUN
http://himotoracing.com :: http://himotoracingusa.com

(in reply to weeze)
       Post #: 9

RE: looking for advice - 9/3/2008 2:32:30 AM   
weeze


 

Posts: 43
Joined: 7/18/2008
From: Pontypool, ON, CANADA
Status: offline 		Ok cool thanks for your help.

(in reply to firebird78)
       Post #: 10

RE: looking for advice - 9/3/2008 2:36:38 AM   
Redharris



Posts: 1413
Joined: 12/21/2007
From: Panorama, CA, USA
Status: offline
N.P.
Dont be afraid to take it apart. It's Really very easy, and something that we ALL end up doing.


_____________________________

OFFICIAL HIMOTO RACING SUPPORT - THE REVOLUTION HAS BEGUN
http://himotoracing.com :: http://himotoracingusa.com

(in reply to weeze)
       Post #: 11

RE: looking for advice - 9/3/2008 4:32:19 AM   
redthugneck


 

Posts: 113
Joined: 2/23/2008
From: moore haven, FL, USA
Status: offline 		weeze check where your connecting rod connects to the crank it might be slipping off or you might have broke that lil tab that the it slides on thats what it sounds to me if you can free it but pulling the pull start

_____________________________

ITS A HIMOTO THANG YOU WOULDNT UNDERSTAND
HIMOTO RACING LET THE REVOLUTION MOVE YOU

(in reply to Redharris)
       Post #: 12

RE: looking for advice - 9/3/2008 2:32:50 PM   
codokas


 

Posts: 141
Joined: 8/21/2007
From: , NY, USA
Status: offline 		This will make it easy for him,great site:
http://www.hpiracing.com/walkthrough-engrebuild/

DOUG
quote:

ORIGINAL: Redharris


N.P.
Dont be afraid to take it apart. It's Really very easy, and something that we ALL end up doing.


(in reply to Redharris)
       Post #: 13

RE: looking for advice - 9/4/2008 4:24:50 AM   
weeze


 

Posts: 43
Joined: 7/18/2008
From: Pontypool, ON, CANADA
Status: offline 		Thanks again to all who have help me. Took my motor apart and everything looks good no wear or dirt inside piston rod looks fine so guess something other then the motor must have caused the problem but everything seems good now. Will try to run it in the next day or two just to make sure
Thanks all

(in reply to codokas)
       Post #: 14

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