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Suzuki MX & Off-Road Dirt Bikes
What if ACTUATOR isn't connected (RE:RM250 exhaust valve)??
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[QUOTE="RM_guy, post: 952227, member: 20652"] Chaeck the preload on the valeve spring. Not sure what it is for a '97 RM250. Something I posted in another thread: As far as the PV spring tension, the amount of preload is not the same every year. I'd call your friendly local dealer and ask them what the manual says. In any case it is from the free state of the spring and is in a clockwise direction. It can be anywhere from 1/4 to 1 turns. I think the '99 was 3/4 turn if you can't find out. The tension controls at what rpm the valves open so if you find that the power band kicks in to late (it almost feels like a lean condition and it bogs) you have it too tight. Back it off 1/8 of a turn at a time until it acts the way you expect it to act. It would help to ride another bike to see how it should act. [/QUOTE]
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Suzuki MX & Off-Road Dirt Bikes
What if ACTUATOR isn't connected (RE:RM250 exhaust valve)??
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