zippy Posted October 31, 2010 Report Share Posted October 31, 2010 (edited) I am going to be changing crank bearings and seals on a TY80. Before I tear into it I would like to have my parts together, the only thing I am unable to figure out is if there is a center gasket or not. Did they just use RTV silicone or Yamabond and not an actual gasket? So far this is my list of parts I will need: (if I missed anything please let me know) bearings seals head gasket base gasket rings crankcase cover gasket Reed cage gasket Thanks on edit: I did do a search here, but was unable to find the info. Edited October 31, 2010 by ZIPPY Quote Link to comment Share on other sites More sharing options...
scorpa250 Posted October 31, 2010 Report Share Posted October 31, 2010 Hi,Silicone is all you require .Regards Scorpa250 Quote Link to comment Share on other sites More sharing options...
zippy Posted October 31, 2010 Author Report Share Posted October 31, 2010 Hi,Silicone is all you require .Regards Scorpa250 Thank you very much! Quote Link to comment Share on other sites More sharing options...
betarick Posted October 31, 2010 Report Share Posted October 31, 2010 What about conrod & bearing? If was doing job i would split crank! And are gearbox bearings ok? Quote Link to comment Share on other sites More sharing options...
zippy Posted November 1, 2010 Author Report Share Posted November 1, 2010 What about conrod & bearing? If was doing job i would split crank! And are gearbox bearings ok? I have not split the motor yet, but so far all indications are that those are all okee dokee, I will know more after I actually split it. Just trying to get a little more info before tearing into it. Thanks all. Quote Link to comment Share on other sites More sharing options...
hewson Posted November 1, 2010 Report Share Posted November 1, 2010 Hi there I've just done mains and seals on a ty 80 engine .... 6204 /C3 main bearings (go for a good brand ) Mag side crank seal 20x35x7 Clutch side crank seal 28x40x8 Front engine sprocket 25x40x5 Gear selector shaft 12x22x5 Sealant for centre cases You might need a puller (or make one) to split the engine cases Have fun Quote Link to comment Share on other sites More sharing options...
zippy Posted November 1, 2010 Author Report Share Posted November 1, 2010 Thanks for the sizes, should be very helpful. Quote Link to comment Share on other sites More sharing options...
stork955 Posted November 2, 2010 Report Share Posted November 2, 2010 Gday, use Grey 3-bond for the cases. Also known as Yama bond etc. Expensive - but awesome - make sure your gasket surfaces are very clean first. A scotch pad works well. Cheers, Stork Quote Link to comment Share on other sites More sharing options...
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