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Yamaha Tech Originally the Yamaha XT600 Tech Forum, due to demand it now includes all Yamaha's technical / mechanical / repair / preparation questions.
Contact Overland Solutions for all your custom modifications and setup for overland travel.

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  #1  
Old 21 Mar 2006
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Join Date: Sep 2002
Location: london,england
Posts: 158
no gears, no gears

my 1vj has decided to refuse to change into all gears above 2nd and even that is difficult,1st is ok. i realise this involves a complete engine strip, is it a definate dealer job or could a semi confident person do it? also, am i likely to find the cause if i do it myself? if i go for the dealer option can anyone recomend a good place in the south of england? im in west london. any help appreciated.
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Old 21 Mar 2006
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Join Date: Jan 2006
Location: Nicholasville,Ky.U.S.A.
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A big job for sure. Last October at the AHRMA races in Alabama I rode out onto the track in 1st when I tried to shift,nothing.Back in the pits I found nothing wrong externally.There was a fellow I know selling a whole trans in a box.Pretty lucky as the bike is a 450 Ducati.
Anyway we took the motor out,disasembled it and found a cleanly snapped mainsheft.
We got it back together and made the race the next day,but only with the help of aguy who knows these bikes inside and out.
Good luck to you.

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  #3  
Old 22 Mar 2006
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Hi Mavis,

Are you sure that your clutch is correctly adjusted, the gaer change lever is stil tightly bolted to it's shaft and your chain tension is correct?

There is just a chance that something simple like this could cause your problem.

I'm not sure from memory, but it might be possible to check the gear change selector forks and drum without splitting the crank cases, might even find that a return srring in there has come un-hooked. But I might be confusing things with my other bike.

Splitting the crank cases isn't that straight forward due to them splitting vertically (Japanese multi-cylinder engines usually split horizontally)
This means that the big end bearings are a tight fit into blind holes.
Getting the rotor off the crank shaft can also be extremely difficult.

Never the less, many of us have managed to strip them ourselves.

Good luck

Mark
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  #4  
Old 24 Mar 2006
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just in case youre all worried sick, go on admit it you were, ive rather embarasingly cured the problem. my missis, who was on the bike at the time of the troubles forgot to say shed dropped it earlier. this resulted in a bent lever which fouled the engine. ! ta anyway...
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