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Showing results for tags 'TZR'.
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Hi everyone, this is my first post and I need some help with my TZR 50, it has a polini 80cc bore kit, technigas expansion chamber, bored out reed block with polini carbon reeds, high spec inlet manifold, 21mm TNT carb with a polini sponge air filter. I've only just put the carb on, previously was the standard 16mm, it went fine but I always knew it could do more as the powerband was tiny and right at the top of the rev range, now with the bigger carb the powerband is much bigger (and a bit more powerfull) but a lot lower down the rev range and it starts to run out of puff at about 9250rpm whereas before it could pull to 10250, if anyone could sugest anything I would appreciate it alot, thanks! : )
