Thread: valves on 748 track bike
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Old 12-Aug-2009, 14:26
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My 748 manual gives

metric (mm)/Imperial (inch)

Intake open 0.13 - 0.18/0.0055 - 0.0063
Exhaust Open 0.18 - 0.23/0.0075 - 0.0082
Intake Close 0.13 - 0.18/0.0055 - 0.0063
Exhaust close 0.08 - 0.13/0.0075 - 0.0082

So exhaust opening looks a bit tight on the horizontal

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