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Need to know how to time honda harmony tiller

Had to take the engine apart to clean valve seat .went to put it back together and dont know how to set timing please help !! don .

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Well
heres your 4 strokes

1 intake down
2 compress up
3 power stroke down
4 exhaust up


if you start with you start with the piston just a couple of degrees past TDC (top dead center) so that it has started its return down

now set the valves so they are closed:
if you have an adjustable valve clearance's then your clearances should be noticeable like 10 thousands ( you should be able to move the lifter ( rocker arm ) and it will be loose up and down

with the spark plug still out; so you can see the piston coming to TDC and passing it to come down

turn the flywheel and watch the strokes and the condition of the valves

1 just past tdc, the intake valve opens and the piston goes down for the intake stroke

2. jst as the piston comes around BDC the intake valve should close and return to tdc with all valves closed ( the compression stroke )

3 just past TDC the ignition will fire and the piston will return down with both valves closed( the power stroke)

4 just past BDC the exhaust valve opend , the piston travels up and completes the exgaust stroke.


and after completing the exhause stroke and arriving at tdc the intake valve opens and you start over again 1,2,3,4

Posted on Apr 16, 2009

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