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Old 05-21-2010, 04:25 PM
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rob7233 rob7233 is offline
LawnSite Senior Member
Join Date: Feb 2005
Location: Zone 9B / N. Metro Orlando
Posts: 846
Thanks for all the replies and input.

This engine doesn't kick back all the time but just once in a while (maybe on the compression stroke?).

The piece(s) of info I was looking for was:

" - If exhaust valve does not open more than 0.06mm (0.024in) briefly just after intake valve closes, ACR mechanism on camshaft is faulty."

If the highest compression reading is less than 71psi, I'll need to trouble shoot the engine.
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