what is the rev-limiter?????...... and when i changed the sproket i was told it will probly go over the rev-limiter how can u abust the rev-limiter???? is there special parts to put in??????......

The rev limiter does exactly what it says....It limits the RPM's a motor can turn so it doesnt grenade itself. You have probubly never even been near the rev limiter. When you hit the rev limiter the motor sort of backfires/surges at high RPM. Rev limiters arent adjustable but can sometimes be removed. The rev limiter is part of the ignition system.

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07 Jetmoto 250 Sport
07 90cc Mini Ute
06 Jetmoto 200 Enduro
06 Jetmoto 200
06 Jetmoto 150
06 Jetmoto 125
04 Yamoto 150
01 KTM 400 EXC
92 WR 250
91 CR 250
88 YZ 80
85 CR 500
83 XL 600
82 XR 200
79 XR 75
79 Odyssey
73 Bultaco 360
71 Rickman Montessa 250
70 Rupp Enduro
69 Honda 50

yea iv never been there because iv never opened it up to full throttle..... yet