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kevin1209

04 WR450 Starter Clutch problem

8 posts in this topic

It seems like the starter is a hot topic lately, but mine is a little different. I had a crack in my left crankcase cover. I took it off, repaired it, and put everything back together. Now my starter clutch will not engage the starter motor when I hit the button. The starter motor spline just spins freely. It looks like the starter clutch and the spline for the starter motor are not touching. It worked before I took it apart, and I think I reassembled it correctly (no extra parts). Anyone know what I've done wrong? I don't want to take it to Yamaha. They will just start replacing parts instead of fixing the problem. HELP!

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By the way, does anyone know where to get a service manual for an 04 WR450? I can't find one online, Yamaha only carries the stock owner's manual.

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It may be spendy, but you'd be hard-pressed to find a better manual than the Yamaha. Look on eBay, some folks are offering them in PDF form for a bit less, but I don't know if the '04 version is out yet...SC

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Thanks. Still looking for help with my starter problem. I'm trying to download pics, but am having trouble getting them to post.

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you have to find a server to host your pictures and then link them or insert them via link on this forum post. :banghead:

Your drive spline on the motor should egage with the torque limiter and then to an idler that engages to the starter clutch gear. :applause:

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Most likely the torque limiter is not engaged with the idler. Try reseating the gear and spin the idler gear with your finger to find a seating position. The limiter should engage and the cover should go on flush without using the bolts to press the torque limiter into position. :banghead:

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