Tim,
When 1 & 2 are on the rock, they are between the exhaust phase and the
intake phase. The cylinder doesn't fire for another 180 degrees (on the
cam, 360 on the crank).
Clear as mud?
Peter
'68 TR250
> From: Vesely@aol.com
> Reply-To: Vesely@aol.com
> Date: Sat, 16 Mar 2002 16:57:28 EST
> To: 6pack@autox.team.net
> Subject: cam timing
>
> Hi All
> I am having a hard time figuring out my valve timing I bought a new cam from
> bpnw for a tr250 it has only one timing mark. Robert Bentleys manual says
> numbers 11 and 12 valves should be on the rock. Shouldn't 1 and 2 be on
> the rock?
> thanks in advance
> Tim
> 76 tr6
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