No compression

Hamood

New Member
Mar 1, 2021
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0
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18
Hello everyone I installed this 80cc engine new 3days ago but I am not getting compression in the cylinder like if I remove the spark plug I am getting good compression but if I install the spark plug I am getting very very less compression that also by rotating the wheel at low speed please help
 

wrench

Active Member
Aug 20, 2019
212
99
28
So Cal
Hello everyone I installed this 80cc engine new 3days ago but I am not getting compression in the cylinder like if I remove the spark plug I am getting good compression but if I install the spark plug I am getting very very less compression that also by rotating the wheel at low speed please help
S/P removed ya get good compression?
S/P installed ya get less compression?
What???

If your not getting compression, Check the head gasket for a compression leak
 

Hamood

New Member
Mar 1, 2021
4
0
1
18
S/P removed ya get good compression?
S/P installed ya get less compression?
What???

If your not getting compression, Check the head gasket for a compression leak
I tightened the spark plug properly but I am not to start the engine by pedaling
 

Hamood

New Member
Mar 1, 2021
4
0
1
18
I think the clutch is not grabbing the plate while I pedal it that’s y it’s not starting
 

wrench

Active Member
Aug 20, 2019
212
99
28
So Cal
Since it's a new engine the clutch flower (star) nut needs adjustment.

Check your clutch cable adjustment too