bansheesandrider Posted July 13, 2011 Report Share Posted July 13, 2011 if i was to check where should i ? on the piston correct bike looks like an stock top end though From your grasp of this whole thread, I would recomend loading the whole bike up and taking it to a reputable shop and tell them you need a new top end!!!!!!!!!!!! Quote Link to comment Share on other sites More sharing options...
ASO-BANSHEE Posted July 13, 2011 Author Report Share Posted July 13, 2011 what your not understanding is that you need to have your cylinders taken off the bike and taken to a shop and have them bored out. this is where they grind down the cylinder walls with special machinery......to give you a smooth perfectly round cylinder again. But before they do that they have have to measure hwo big they are going to make the cylinder and how much to remove. What a good machinist will do is order your pistons in and then bore your cylinders to the correct size that your pistons that he recieved. it gets sketchy to bore and THEN buy the pistons. oooohhh ok , so should i take my bike to any mechanic locally or should i go to a yamaha dealer Quote Link to comment Share on other sites More sharing options...
ASO-BANSHEE Posted July 13, 2011 Author Report Share Posted July 13, 2011 IMO... Spend an extra 150 bucks.. Pull the cylinders off, ship them to a sponsor and have them port your cylinders. (it'll make ur banshee go faster) and have the sponsor bore and hone them. You need to get the cylinders bored and honed anyways for the new topend. For what you'll pay a shop to do it, it's almost worth it to send it to a site sponsor. http://www.herrjugsracing.com/Yamaha_Banshee.html http://www.farmandsandtoys.com/services.asp That's just two.. MANY other sponsors in bansheehq can do it as well. Trust me.. It'll be worth EVERY penny to get it ported for your own riding style. Just rebuilt my new motor.. Leaning over the damn front bumper in 5th gear and the damn front end still hates touching the ground. i see , ill look into that also Quote Link to comment Share on other sites More sharing options...
Jereme6655 Posted July 14, 2011 Report Share Posted July 14, 2011 oooohhh ok , so should i take my bike to any mechanic locally or should i go to a yamaha dealer your best/cheapest route? would be to purchase a clymers manaul and pull the cylinders off and send them to a site sponsor. They do this for a living so they know what to look for and how to do the work great. Personally i like FAST racing. however i do hear great things about kevin at hjr Quote Link to comment Share on other sites More sharing options...
ASO-BANSHEE Posted July 14, 2011 Author Report Share Posted July 14, 2011 your best/cheapest route? would be to purchase a clymers manaul and pull the cylinders off and send them to a site sponsor. They do this for a living so they know what to look for and how to do the work great. Personally i like FAST racing. however i do hear great things about kevin at hjr what does a site sponsor exactly do to my cylinders ? they hone them or bore them and send it back to me ? ill send it to them but wouldnt i have to send my whole engine for them to install the new pistons ? Quote Link to comment Share on other sites More sharing options...
Jereme6655 Posted July 14, 2011 Report Share Posted July 14, 2011 boring cylinders is basically like taking a giant drill bit and coring out the cylinder until it is perfectly straight again.....then after that you hone the cylinder......which is what smooths the cylinder walls so that the piston rings can travel nice and smooth and seal against the cylinder walls. site sponsors do both. And no you dont need to send the whole motor......you can just send them your cylinders and they will order you new pistons then do the bore and hone job......then they ship the stuff back to you and you install the new pistons on the connecting rods and then you install the cylinders over the pistons. by the sounds of it you should inlist a friend of yours that may have prior knowledge of 2-strokes and see if he can teach you as you tear into your bike. or you can also send your whole motor to a site sponsor and they will disassemble your motor and then do the work and reassemble it and return it to you. Quote Link to comment Share on other sites More sharing options...
ASO-BANSHEE Posted July 15, 2011 Author Report Share Posted July 15, 2011 boring cylinders is basically like taking a giant drill bit and coring out the cylinder until it is perfectly straight again.....then after that you hone the cylinder......which is what smooths the cylinder walls so that the piston rings can travel nice and smooth and seal against the cylinder walls. site sponsors do both. And no you dont need to send the whole motor......you can just send them your cylinders and they will order you new pistons then do the bore and hone job......then they ship the stuff back to you and you install the new pistons on the connecting rods and then you install the cylinders over the pistons. by the sounds of it you should inlist a friend of yours that may have prior knowledge of 2-strokes and see if he can teach you as you tear into your bike. or you can also send your whole motor to a site sponsor and they will disassemble your motor and then do the work and reassemble it and return it to you. oh ok i see so ill do that and as for installing everything i can do that too, i just didnt understand what a site sponsor does thanks everyone Quote Link to comment Share on other sites More sharing options...
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