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Flywheel shaft leak

I have a Gongyu 125cc engine. 1P54FMI. I have a leak from the seal. What seal do I need and can it be changed without taking the engine apart. Thanks

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I think you have a gy engine
that is a vertical split you should get away with just replacing the old seal
remove the flywheel off the shaft
making sure not to lose the wood-ruff key
with a small drill
drill two small holes in the seal
with two thin screw drivers place them in the holes and draw out the old seal
with some sealant put the new seal in place
and with a flat bit of wood and a mallet or a small hammer
tap the seal into place
then put the wood-ruff key back in the groove
and replace the flywheel making sure to torque the flywheel down to the correct torque

Posted on Apr 14, 2014

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