I hope someone can shed some light on this problem, take some of the stress away my vfr750 fj when cruising/accelerating/decelerating, makes a sound like a loose tappet??, now i tested this by riding at 30-40mph, killing the engine, with the clutch in or out makes the same sound?? (coasting)so i know its not engine. And the sound is gear dependant ie if i leave it 3rd, no engine running and clutch in, it makes a fairly slow sort of loose tappet sound (but a little deeper sound, not so tinny), and with the clutch in and no engine, go down a gear and the sound speeds up? it does this in any gear, in neutral, the sound dies away and stops, only happens when in gear/ engine/no engine/clutch/no clutch. Now i can only sumise that it is a gearbox prob, the input shaft as it alters with gear selection, and stops in neutral. is there any components connected to the input shaft, oil pump/water pump that could make this sound?, is definatly does not sound like a knackered bearing, its a regular dull tapping sound. You can hear it as well by leaning the bike on its stand, drop in gear (not running) clutch out and rotating the back wheel so it turns the gearbox. any help much appreciated as im hoping its not a gearbox fault (the bike has only covered 40,000 miles with 4 prev elderly owners) and something else, any ideas anyone? thanks in advance Regards Steve
If the chain was ever adjusted way too tight then the output shaft outer bearing ( just in back of the front sprocket) could be damaged.......