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Cruiser 80 gearbox problem

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Cruiser 80 gearbox problem

Post  sbeagle on Thu May 18, 2017 7:06 pm

Hi I have 2 problems in stripping down the gearbox on the Cruiser 80.

How do I remove the mainshaft and does it need a special tool?
How do you remove the front sprocket with the gearbox stripped down?

All help would be appreciated thanks

sbeagle

Posts : 12
Join date : 2016-12-28

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Gearbox

Post  piston 197 on Fri May 19, 2017 6:17 am

Providing you have removed everything securing the main shaft it will come out easily ?
Have you ended up with the mainshaft still in the main case and held by the gearbox sprocket ? if so you need to remove the gearbox sprocket and securing nut before it will come out. If you have it still attached to the end case then it is just a matter of removing everything securing it and tapping it out of the bearing
To remove the front engine sprocket from the crankshaft it is a matter of preventing the crank from turning and undoing the nut securing it ?
JH
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piston 197
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gearbox problem

Post  sbeagle on Fri May 19, 2017 5:46 pm

Drive sprocket stuck hard. Probably been on for 60 years. Flattened the tab washer applied heat, used a 3ft bar and was having none of it. Ended up cutting the nut off.

Main-shaft has a threaded Colette which I tapped off and this revealed a nut. Then knocked out the bearing and happy days all ready for the rebuild

sbeagle

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Re: Cruiser 80 gearbox problem

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