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Have you thought about woodruff key in flywheel, its happened before,
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Hi,TrialsRfun can you give me the details for brake drum reline please, mine need doing before I put it back together,
Cheers, Myson
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Great post re removing bearings Martin, wife wouldnt notice smell the way she cooks!!. Will still have the pizza though,
Myson
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Hi, thanks for the reply, I believe tht you can use a modified seal retainer to do this but this one has the bearings located inside the original casting, Dont know if this is possible on original M80 case.
Myson
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Hi, I have just split the cranks on my M80 engine and have found it has 3 main bearings. I was sure that it was only later models that had this feature. I also want to remove the two gearbox bearings that are located in blind holes, what is the best/easiest method?
Cheers,
Myson
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Cheers Woody. Will order from Pyramid
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Is the M80 the same size as stated (45x25x12) or is there a diferrence between models? I have heard that head nuts may also need modification, any idea?
Cheers,
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Will have a look in books tomorrow, failing that try Bultaco UK they are usually spot on. You could also take hub to bearing factor and see what they can sort out,
Myson
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If thats the case just go to your nearest Force 7 bearing factor, cheap and very helpful for any bearings, I got new mains for mine for about
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Thanks for the reply, the bearings feel fine I ws just thinking of doing the job while I had the cranks split, may save a job later on, I was going to have a new big end bearing fitted to original con rod if possible,
Myson
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Hi, I am slowly progressing with my M80 rebuild and I am splitting cranks to replace gearbox shortly. I am considering having the crank rebuilt with new bearings but most kits include a new conrod. This adds a lot to the cost when budget is limited! Is it feasable to rebuild using the original con rod with new bearings or is there a good reason for replacing everything? Also, can any one recommend a good engine guy in Newcastle/Durham area to carry out the rebuild?
Cheers,
Myson
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Thanks guys, once again first class help with problems,
Cheers
Colin
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Hi Sparks, thanks for the help. Do you have details of company in US that supplied the keys please,
Regards,
Colin
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Hi, just finished pulling apart the clutch and fly wheel (exellent clutch holding tool came from Bult UK yesterday!)) on M80 motor. Does anyone know the correct sizes for the woodruff keys as the ones that came our were decidedly of the home made variety.
Cheers
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Try searching for this post, might help. Sherpa T Engine Manual
good luck
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Hi do all sherpacfront drive sprockets fit my M80 or did they change at some point, I need a new one and they are on ebay fairly cheap(Talon manufactured) Cheers
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Hi, I am just about to order some new main bearings (6205-c3) and was wondering if any one had the seal ID no's so I can order them at the same time,
Cheers
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There is a relined front hub on fleabay now if your interested
Myson
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Hi sorry for delay in replying, stuck in Spain due to volcano!!
Will post photos over weekend thanks for help,
myson
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Anyone recommend UK firm to resleeve rear hub?
Cheers
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You may be 100% right, but I have never encountered mild steeel that does not rust and is hard as hell!! Any comments are very welcome,
Cheers,
Myson
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Cheers Martin, I was wondering if the factory made some after market frames or some other manufacturer could have made them at a later date. I think I have an M-85 frame from same year so I will compare these,
cheers
Myson
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