'95 125 Timing question

jsturkie

Cadet
Joined
Apr 9, 2009
Messages
15
Hello guys,

My Selco manual gives Idle timing BTDC @ 4 deg. ATDC to 2 deg. BTDC. Also, it lists a MAX BTDC Cranking @ 22 deg. BTDC.

My question is, which one should I use to set timing while cranking only? I assume that idle timing is under load in forward @ best idle right?

One more dumb question: ATDC is to the left of the 0 on the fly wheel while BTDC is to the right of 0 right? Its been years from the last time I set timing.

According to my light, my idle timing on land w/muffs is @ 15 Deg. ATDC. I know that can't be right.

Thanks for any help!!!!!!!!!
 
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