banshee8zero2 Posted January 28, 2013 Report Posted January 28, 2013 I bought a 96 Banshee single carb and I bought a new piston for it OEM Yamaha and it is to tall out come s out of the top of the cylinder fortress this mean my piston shaft s are to tall ? Quote
Larry's Shee Posted January 28, 2013 Report Posted January 28, 2013 Translation? : Does this mean I have a long rod crank? Or possibly a stroker? I haven't given much info to guess at. Compare old piston to new. Is the pin hole in same location? Do you have a cool head with stroker domes? Or did you have a head gasket about 2mm thick? Did the old piston stick out similar height? Quote
Larry's Shee Posted January 28, 2013 Report Posted January 28, 2013 BTW, welcome to BHQ. It's crankshaft, connecting rod, piston. Quote
banshee8zero2 Posted January 28, 2013 Author Report Posted January 28, 2013 The piston part #, for 2002,1996 are the same parts and I can send pics off the motor If you could help Quote
Starwriter Posted January 28, 2013 Report Posted January 28, 2013 What numbers are stamped into the top of the old piston? Quote
BUILDER Posted January 28, 2013 Report Posted January 28, 2013 So wait let me get this right. If I am reading this right you bought one O.E. piston for your banshee and only are repalceing one??? Quote
oldskool Posted January 28, 2013 Report Posted January 28, 2013 Do like starwriter said and give us numbers on top of pistons(old/new) I'm assuming you are new too banshee. Lot to learn, but this is the place Quote
banshee8zero2 Posted January 29, 2013 Author Report Posted January 29, 2013 Yeah I'm new not to two stroke engines but banshee s Quote
oldskool Posted January 29, 2013 Report Posted January 29, 2013 Well, having experience with 2 strokes is gonna help. Although banshee's are 2 stroke and they are a quad, they are a stand alone bike like no other. Actually its like two engines working as one. I think a dual carb set up works better. Just look around here and read,read,read! They can be extremely frustrating and also very rewarding, Quote
banshee8zero2 Posted January 29, 2013 Author Report Posted January 29, 2013 Yes I replaced one I am getting compression from the other Quote
Maklerd Posted January 29, 2013 Report Posted January 29, 2013 Replace em both if you are going to replace one Quote
banshee8zero2 Posted January 29, 2013 Author Report Posted January 29, 2013 Does that mean I have a 4 or 7 mm Stroker? Quote
sheerider11 Posted January 29, 2013 Report Posted January 29, 2013 Yes I replaced one I am getting compression from the other my cars check engine light is on and it makes a loud clunking on start up, but it still drives. So it must be okay. Quote
sheerider11 Posted January 29, 2013 Report Posted January 29, 2013 Does that mean I have a 4 or 7 mm Stroker? maybe. Maybe not. We need the old numbers off the old piston. Are you sure you got the correct bore size as well? Quote
banshee8zero2 Posted January 29, 2013 Author Report Posted January 29, 2013 Ya is 64mm and the # are On top it says STD and inside it says HR on the exaust side and S1 on the intake side Quote
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