Wednesday, 6 September 2017

Valve Clearance Check

After all the effort put into getting things perfect on this bike, it was always going to be impossible to have peace of mind without making sure the valve clearances were within spec; even if the adjustment on the previous engine came to unfortunate outcome due to my mistake. Thankfully the clearances had been done fairly recently on this motor as they were all within spec and the cams, holders and shims could all stay where they were.

For reference, these were the measurements:

CYLINDER 1:
Exhaust (1, 2): 0.229, 0.229
Intake (3, 4): 0.178, 0.152

CYLINDER 2:
Exhaust (1, 2): 0.203, 0.203
Intake (3, 4): 0.178, 0.178

CYLINDER 3:
Exhaust (1, 2): 0.229, 0.229
Intake (3, 4): 0.178, 0.178

CYLINDER 4:
Exhaust (1, 2): 0.203, 0.229
Intake (3, 4): 0.178, 0.178

ACCEPTABLE TOLERANCE:
Exhaust: 0.200 - 0.260
Intake: 0.130 - 0.190


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