Blaster 2003 tors and other problems

Michael sprigg

New Member
Jun 2, 2014
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Well im new to the site and new to owning a yamaha blaster 2003 only had it out twice and on the second outing engine cut out and wouldnt start.

After i got it home it would start but would only idle (sometimes will die) and once you touch throttle it would die and found out there is a very common problem with the TORS so i set off to fix this.
I cut the micro switch in thumb throttle and joining the two wires at the cdi end. And also disconnecting the carb side.

This made it better which allows me to rev the bike up to about 1/3 off the throttle anything after that it seems to die.
I have cleaned the carb and as far as im aware it is working as it should.
I have also tried to tune carb i.e fuel/air mixture screw but to no avail didnt fix it.

If some one has or had the same problems if you could try and point me in the right direction that would be great as i have tried to find a bike shop that knows about blasters in the NORTH EAST ENGLAND thanks