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Dirt Bike Discussions By Brand
Honda MX & Off-Road Dirt Bikes
'02 CR250 Porting & Head Shaving
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[QUOTE="endurohero, post: 596597, member: 41277"] I found four issues with these crs 1 power valve open and return speed changes dratically with age , not carbon fouling but cable maintenance and inconsistancy between actuator motors some faster than others . 2 carburation , good luck getting a modified engine to run reasonable through all circuits bottom to top there is always a small hitch just as the slide moves from off idle to about 1/8 open thank you mikuni . 3 exhaust port outlet size, limited to pipes and spigots available , a shade on the small size for shreeking top end. 4 reed cage included angle and distance from crank shaft, every thing has to be comprimised to really get working better than stock. There very good in stock form (03) so major improvements are not easy.My comments about our tuners in Canada doesnt reflect to jobs done by everyone just the most popular guys to whom i have to redo there work after the customer gets their motor back, dont like it and have no support to get help, just the standard reply" thats the way we do it youll have to pay again for us to fix it ". [/QUOTE]
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Forums
Dirt Bike Discussions By Brand
Honda MX & Off-Road Dirt Bikes
'02 CR250 Porting & Head Shaving
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