When i pull the clutch/back break on my 1981 suzuki shuddle the kick start wont kick like its supposed to its like its locked but when i let off the break it will go down but not crank is the engine blown?
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SEE IF YOU CAN ROTATE THE ENGINE WITH THE CLUTCH DISENGAGED, IF YOU CAN, THE PROBLEM IS IN THE TRANSMISSION. I ONCE HAD A JOB WHERE A CLUTCH SPRING BOLT HAD BACKED UP AND CAUGHT ON A TRANSMISSION CASE RIB.YOU MAY HAVE DROPPED A VALVE, BROKEN A CONNECTING ROD, FAILED TIMING CHAIN, SOMETHING EXPENSIVE, NO DOUBT. YOU COULD START BY REMOVING THE SPARK PLUG/S AND LOOKING IN THE COMBUSTION CHAMBERS, PREFERABLY USING A FLEXIBLE INSPECTION CAMERA. YOU WILL SURELY HAVE TO REMOVE THE CYLINDER HEAD/S. YOU MAY LEARN SOMETHING WHEN YOU PULL THE VALVE COVER.
i presume the bike must be in gear to move the front sprocket. does the piston move if try and bump it in gear..if not.the piston has somehow seperated from the krank, need a visual
inspection, head needs to come of, possible more. if it does then need to look at kickstart mechanism
Clutch might be good, but it could be out of adjustment.
One test is with engine off, pull in clutch and cycle kickstarter a few times.
There should be drag for the first 2-3 kicks, then it should free up (the clutch plates tend to "weld up" [just a term] from heat wile running).
If not remove primary cover.
Pull in clutch lever, cycle kickstarter, and watch that pressure plate isn't "wobbling" as it turns.
If it does, you'll have to tighten 1 or 2 of the 3 clutch spring nuts to get it to turn true.
Then adjust the clutch pushrod free play.
In the center of clutch pressure plate, loosen lock nut and back off adjuster screw.
Tighten screw until it you fell it just "touch" the push rod behind it.
Back off the screw 1/4 to 1/2, hold it from turning, and lock down the lock nut.
Adjust the clutch cable so there's about 1/16" to 1/8" slack at the lever end.
This is something that will have to be looked into.. Sounds like the clutch may not be working.. it won't engage/disengage..(the clutch plates are stuck together - a common thing when older bikes sit for a while!!).. this will require the right side cover to be removed, the clutch cover plate removed, the clutch plates(fiber and metal) to be removed, then cleaned, oiled and everything re-installed in reverse order..with a new side cover gasket..
You MIGHT be able to put the bike in gear.. then try to push it (engine not running) with the clutch lever pulled in and get the clutch plates to break loose (seen this work a couple times)..
You SHOULD be able to push the bike(engine not running) in gear with the clutch lever pulled in!!!
Hi, does this bike backfire at all? Noticable as the kickstart hits you hard as you try to start the bike, these bikes used to suffer with cdi ignition failure, eventualy breaking the kickstart ideler gear inside the gearbox which in turn the oil pump drive was also fitted to this,
Yes.Hold the decom and give it 2-3 kicks.Release it and slowly kick it untill pressure builds up.Pull in the decom and move the kickstarter a very small amount to get the piston very close to t.d.c..Now,give it a full kick and at the same time release the decom.Hope this helps you
this could be really bad or really easy. first, lets hope its vapor lock. take your spark plug out and see if it will turn. if yes, kick it a few times and replace spark plug. if not then we need to see if the kickstarts malfunctioning or the motors lock. put the bike in about third gear, grab the clutch and pull it in, now run beside and push the bike with the clutch in, get some speed and dump the clutch. Hopefully the engine will start turning over, in fact if you have the switchs on you can start the bike this way. If the engine does not turn over like that then you have a drivetrain problem, without seeing the bike theres no way to pinpoint it. Lets just hope the steps above work and you dont have any major problems, good luck.