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Old 06-12-2013, 10:33 AM   #7906
Schrauberklaus
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Joined: Aug 2010
Location: Phuket ,Thailand
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@ DGman 1991

What i can see from your (much to large ) Carburator Pics is:

The Primary Slide it wide open if that Pic was made in Idle ajustment
turn the Idle screw down .
The Float Bowls lock like from the PD 61A Carbs and the Bodys look like its the California Model Carb . Not sure the Bowls are the correct one for that Carbs .
If it is the California Model Carb with all the external emision control crap you need to make sure that everything is correkt conected .

Idle Air takes a differnt route on this Carbs .
Important to start the Bike .

Hope you dont mix Parts from Prim. and Sec. Carb in your ziplock bag .
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Old 06-12-2013, 11:17 AM   #7907
Dread_lion
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Quote:
Originally Posted by mcma111 View Post
Thrust washer
that sucks
is it possible to replace those without replacing the big end? i'm guessing no, but then again, what do i know . i guess i will be looking for a replacement engine to get me through the summer and fix this one when i have the time for it. I need it to be running soon!
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Old 06-12-2013, 11:32 AM   #7908
mcma111
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The thrust washers keep the rod from rubbing against the crank weights. Once the washers go the big end is already toast. The only way to correct this is to replace the rod assembly.


PM sent.
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Old 06-12-2013, 11:52 AM   #7909
Dread_lion
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Quote:
Originally Posted by mcma111 View Post
The thrust washers keep the rod from rubbing against the crank weights. Once the washers go the big end is already toast. The only way to correct this is to replace the rod assembly.


PM sent.
k so how weird is that the engine is still running then? i bought it running, shouldnt this seize the engine in no time?
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Old 06-12-2013, 11:55 AM   #7910
mcma111
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Unless the material is left over from a prior failure. Who knows. It may stop running shortly.
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BMW's
58 R26
79 R100s
91 R100gs

87 Harley FXRS-SP ~ 06 KTM 625 SMC ~ 72 Honda CB750/915cc ~ 92 XR600/654cc ~ 95 XR650l/675cc ~ 03 CRF450r ~ 05 CRF450x ~ 02 XR650l/675cc ~ 86 YZ490 ~ 93 YZ80 ~ 93 XR650l Project
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Old 06-12-2013, 12:05 PM   #7911
Dread_lion
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well, i'm afraid i'm fairly certain the engine hasn't been opened so far. guess i'll be looking for parts and going for complete disassembly then!
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Old 06-12-2013, 12:11 PM   #7912
davek181
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You might get by with an eBay crank. Although you would want to replace the bearings while you are in there to, so it might be better to just redo your crank if you can find someone to do it.

I am sure Steve knows someone and will likely chime in soon, if he hasn't already PM'd you.
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Old 06-12-2013, 12:13 PM   #7913
mcma111
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He's in Belgium. Just a bit to far to be of help.
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BMW's
58 R26
79 R100s
91 R100gs

87 Harley FXRS-SP ~ 06 KTM 625 SMC ~ 72 Honda CB750/915cc ~ 92 XR600/654cc ~ 95 XR650l/675cc ~ 03 CRF450r ~ 05 CRF450x ~ 02 XR650l/675cc ~ 86 YZ490 ~ 93 YZ80 ~ 93 XR650l Project
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Old 06-12-2013, 12:20 PM   #7914
Dread_lion
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yeah this might take some time. thankfully its an XL600RM, and i CAN find parts RATHER easy, funds however, are another problem ;). I'll probably replace it with an XR600 engine for now, and do the rest during the winter or when i have time.
Does suck that i'm going to have to dump a lot of money into this engine. oh well...
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Old 06-12-2013, 01:47 PM   #7915
lookfar
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Originally Posted by Homerb View Post
Nope, apparently not! Redfitted the CDI and still wont start. Just had a play, and moving the wiring going into the CDI while cranking the starter creates a spark sometimes. Looks like lm going to have a thorough check of the wiring and the connectors.
CDI's are no longer available from Honda ( I think I got the last one, the Honda guy said don't ask for another), but I ran a CDI from a '94 XR600 for a while and all seemed good. Same connectors, just plug and play.
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Old 06-12-2013, 02:19 PM   #7916
davek181
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Originally Posted by mcma111 View Post
He's in Belgium. Just a bit to far to be of help.

You think I woulda caught on by the accent, I am not the sharpest crayon in the box for sure.
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Old 06-12-2013, 02:27 PM   #7917
Reposado1800
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Can the case be split from the flywheel side and leave clutch and tranny intact?
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Old 06-12-2013, 02:41 PM   #7918
mcma111
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Originally Posted by Reposado1800 View Post
Can the case be split from the flywheel side and leave clutch and tranny intact?

You'll get it apart but I don't think it will go back together due to the spring loaded counter-balancer.
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BMW's
58 R26
79 R100s
91 R100gs

87 Harley FXRS-SP ~ 06 KTM 625 SMC ~ 72 Honda CB750/915cc ~ 92 XR600/654cc ~ 95 XR650l/675cc ~ 03 CRF450r ~ 05 CRF450x ~ 02 XR650l/675cc ~ 86 YZ490 ~ 93 YZ80 ~ 93 XR650l Project
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Old 06-12-2013, 02:49 PM   #7919
Reposado1800
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Originally Posted by mcma111 View Post
You'll get it apart but I don't think it will go back together due to the spring loaded counter-balancer.
Just wondering if there was an easy way to do center case gasket.
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Old 06-12-2013, 03:25 PM   #7920
davek181
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Originally Posted by Reposado1800 View Post
Just wondering if there was an easy way to do center case gasket.
There is no easy way, If I remember correctly you stack the tranny and shift spindle and everything in the left case, then drop the right case on. I can just envision disaster trying to keep it all together in the right sidecase, opposed to the small amount of time it would take to just strip the right side down and do it as designed.
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