CX500 / CX650 in-bike Transmission removal and replacement

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CX500 / CX650 in-bike Transmission removal and replacement

Postby Blindstitch2002 » Thu Jun 10, 2010 6:19 am

CX500 / CX650 in-bike Transmission removal and replacement tool.

Courtesy of Timothy D

This pricey little tool can save you from hours of labor when replacing transmissions in all CX and GL models.
Worth its weight in gold, and will only cost you a wire coat hanger.
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This is how it is used.

What you have to imagine is that there is a spring that holds everything in place.
Lift the spring, transmission drops out simply.

The only trick is shims.
However, it is so easy to drop and replace the transmission with this tool that shims aren't a problem.
My mechanic did this to Racer about 1000 miles ago, and I have had no problems at all.
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1979 Honda Cx500 Custom Supertanker
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Re: CX500 / CX650 in-bike Transmission removal and replaceme

Postby swithy » Mon Jul 29, 2013 3:15 pm

Is this process easily reversed for putting the gearbox back without removing the engine?
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Re: CX500 / CX650 in-bike Transmission removal and replaceme

Postby Gman » Wed Jul 31, 2013 9:06 am

I don't know as I've never used this method.I always do gearboxes the old way e.g with the engine out.It's much less fiddly when it's all there in front of you.I know it's more labour intensive but I don't want the gearbox to be wrong when the change mechanism is engaged :o

When I do these jobs I usually check and replace things like the oil pump chain and check/replace the cam-chain and renew the rear engine cover Rear cam-shaft seal.These seals tend to go once disturbed if they haven't been moved for a long time.They are cheap to buy and if they fail then coolant gets in the oil.

Part number 11 on here.

http://www.cmsnl.com/honda-cx500a-1980e ... ml#results


It fits inside the top rear engine cover.These kinds of spring seals are always fitted with the spring towards the oil,same as if it were a fork seal or gear change seal.
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Location: Hull.Yorkshire.UK.2x1980 CX500ZABs:Citroen ZX TD(250,000 miles)


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