Question about 2003 Yamaha YZ 125

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My 125dt dosent sart or kick sart,the gear inside have a bushing in shafting?or it was broken..

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  • 167 Answers

Common cause of kickstarter not engaging(I am guesing that this is your problem) is a broken spring on the kickstart mechanism,or that the kickstart idler gear cerclip has fallen off(this allows the idler gear to move forward on the shaft & thus won't allow the kickstart gear to transfer drive to the clutch hub).Remove clutch cover, put kickstart lever back on shaft spline,activate kickstart lever by hand(easier with sparkplug removed+in neautral)as kickstart lever moves down 90 degrees the gear on the kickstarter mechanism should move out to engage with gear next to it(kickstart idler gear).If the gear on the kickstarter mechanism dosn't move outward it has a broken spring on the kickstart mechanism.replace spring and all should work.(if the spring is broken you need to try find the broken piece with a magnetic pick-up tool as the broken part can cause further damage if not removed)To do this job I highly recommend you first purchase a workshop manual which will guide you through these processes.After all a manual is the most valuable tool in your tool kit.

Posted on Nov 23, 2009

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How do i remove the kick start from my 2013 ttr125 yamaha aftre it has been broken


There should be a bolt holding it on' remove that and take the kick starter off but to get the shaft off too you will have to remove the housing around it and take the kick start gear out and buy a "blank" for the casing where the shaft comes out

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Hobart D300 is stuck in speed 3, any ideas?


Best guess is that the gear for 3rd speed is seized together with it's brass bushing and the center, large transmission shaft. I don't recall which gear is for 3rd, but the transmission has two gears (2nd and 3rd speed) which have brass bushings in them. The brass bushing should spin freely on the center shaft (when in final position - sometimes they pull off the shaft tough, but spin freely when in final position, my opinion is that this is OK), and the gear should spin freely of the brass bushing.
My guess is that the 3rd speed gear, being seized to the center shaft, cannot freely idle on the center shaft, which would result in being stuck in 3rd gear.

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Speedometer goes up to a hundred and kicks down when you take off.any suggestions?


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I have a 1984 h/d fxr I got a new outter primary and it is getting stuck in the starter bearing I have oiled it and greased it but it still gets stuck,, anything you can think of


I don't understand exactly what you mean by the bearing getting "stuck" in outer primary. The starter shaft has bearing race on the of it. This bearing race is also a nut that holds the shaft and it's parts together. The outer primary cover should have either a bearing or a bushing in it. The bushing or bearing in the outer primary provides support for the starter shaft while starting the engine.

Now, take the starter shaft fork loose and remove the shaft. Put the shaft into the bearing or bushing and make sure it turns freely. If not, you'll need to take the shaft and the outer primary to an automotive machine shop and have the bushing fitted to the "nut" on the end of the shaft. If you have a bearing in the outer primary, the nut must be turned down to fit it but neither of these cases are common, matter of fact, I've never heard of it having to be done.

If the "nut" on the outer end of the shaft seems to fit the bearing or bushing in the outer primary like it should, then your problem is an alignment problem. The outer primary, inner primary, and starter assembly are not aligned. There should be a couple of alignment pins in the inner primary that aligns the outer primary when installed. There are also two alignment pins in the starter gear housing on the backside of the inner primary. You may have to remove these pins in order to get everything to align properly.

Welcome to the world of foreign made Harley parts. Regrettably, we have to rely on foreign made parts to keep the older bikes running. Not all the parts fit like they should. I once spent three days trying to get a set of kick starter gears to work on a 72 FLH. I never did get them to work but managed to use the clutch gear to repair the transmission but I had to modify it to get it to work.

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1 Answer

My 2001 kx250 keeps breaking kick shafts after 15 or 20 kicks. i've replaced the spring, bushing, circlips, washers and now two kick shafts.


i am not as familiar with kawaski's but a friend told me that certain kx's and yz's had poor quality shafts that were brittle?

the couple of broken shafts that i've seen were caused by the kicker being kicked so aggressively that when it contacts the stop. the stop acts as a fulcrum transferring the load to the shaft thus breaking it and possibly the case to.

Oct 06, 2009 | kawasaki KX 250 Motorcycles

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Shifter lever broken...


It sounds like you bent the shift fork, or at least the shaft that penetrates the case and holds the shift lever on the outside. If you are certain you are moving the shaft and the bike won't come out of first then you will have to open up the case and see what is bent or broken inside.

Jun 27, 2009 | 2006 kawasaki KLX 110

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If it is not broken, don't fix it. Your gears look fine just as they are. Rebuilding a gear box means replacing all gaskets, bearings and seals. Plus doing any crankshaft connecting rod repairs and shift fork replacements. Removing the gears from the shafts is not necessary unless a gear tooth or slider gear engaging stem is broken. Some of the gears are part of the shaft and can not be removed.

Apr 28, 2009 | 2005 Hyosung GT 250

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I was riding my wr 250cc


Check the sprockets. Got a stick or rock binding the chain? Remove the chain. Does the wheel spin freely? Brake frozen?

Since your bike is water cooled, a seized piston is not too likely. Got water in the radiator? Most likely is a broken torsion spring on the kick start shaft. The adjacent ratchet wheel and the kick shaft should be inspected. The ratchet wheel should have a smooth movement. If not then replace it. The kick shaft should not show wear or damage. The same is true for the kick gear and idler gear. Replace as needed.

The only other possibilities are a frozen main bearing, (not likely), a broken or severely bent shift fork, (more likely than a main bearing).

Please rate this solution. Thanks!

Apr 11, 2009 | 2004 Yamaha WR 250 F

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