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Poulan Gas Trimmer


LawnSite Member
What would be the customary valve clearance for both Intake & Exhaust valves on a 4-cycle gas trimmer ?

Another Question, Please :

Which direction would the Piston Knotch face when assembling ?

Any suggestions would greatly be appreciated.



LawnSite Fanatic
If you post the model and spec. #'s I'll post the valve specs., The notch on the piston on most engines points toward the coil or flywheel.


LawnSite Fanatic
Butch1957 said:
Any Suggestions ?
Yeah Butch, How about .003-.006 on the intake and .013-.016 on the exhaust.

Take Care