Time for an overhaul...

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elbert
On the main road
Posts: 133
Joined: Tue Oct 21, 2008 8:11 am
Location: Stavanger, Norway

Time for an overhaul...

Post by elbert »

As it looks like the crank seal between the left and middle cyllinder on my GT750 is leaking I'm starting to plan for an overhaul of the engine. Since it would involve quite a lot of work to take out the crank I'm not sure if I should just replace the crank seals or replace the bearings as well when I have it apart. Is it recomended to change the bearings at the same time or can they normaly survive a few sets of seals before they need replacing?
Is it anyone who sels a crank seal kit?

Also due to damage on the engine cases after a broken chain or something I'm thinking of replacing the engine cases, so if any one has an ok set laying around collecting dust...
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tz375
Moto GP
Posts: 6210
Joined: Mon Nov 03, 2008 10:47 am
Location: Illinois

Re: Time for an overhaul...

Post by tz375 »

Big end bearings and main bearings rarely seem to need replacing. If you send your crank to Bill Bune in MN, they will strip clean and inspect the crank and will tell you if anything is needed.
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