bootlife Posted June 24, 2009 Report Posted June 24, 2009 I just bought my first banshee, Whitch seems to be a new money pitt. To make a long story short, I had the top end rebuilt with 35mm pistions, it has fmf pipes cold air kit n aftermarket reeds. I had the carbs rebuilt. Now im spose to be able to ride it, lol. or not. It wont start with out adding fuel to the pistons, after it warms up it will only idle at bout 1/4 throttle any lower it dies. at 1/2 throttle it falls on its face, and its back fireing out the pipes when you work the throttle. if any body knows wats wrong please help. I put a 270 main jet in it frm a 200. fmf says there pipes call for a 260. is that the only jets i need to change? the others are stock, Thanks to the shop that did the carb rebuild. Quote
AKheathen Posted June 24, 2009 Report Posted June 24, 2009 check for airleaks, and make sure the choke tube is in place. it's the little vaccuume hose coming from the back of the choke plunger directly across to the other carb. Quote
fastbanshee8 Posted June 24, 2009 Report Posted June 24, 2009 Take the carbs off, one at a time, pull the mains, and pilot jets out, and clean them with carb cleaner. FMF pipes seem to like a 27.5 pilot, and the stock one is 25. Quote
gregrob Posted June 24, 2009 Report Posted June 24, 2009 I just bought my first banshee, Whitch seems to be a new money pitt. To make a long story short, I had the top end rebuilt with 35mm pistions, it has fmf pipes cold air kit n aftermarket reeds. I had the carbs rebuilt. Now im spose to be able to ride it, lol. or not. It wont start with out adding fuel to the pistons, after it warms up it will only idle at bout 1/4 throttle any lower it dies. at 1/2 throttle it falls on its face, and its back fireing out the pipes when you work the throttle. if any body knows wats wrong please help. I put a 270 main jet in it frm a 200. fmf says there pipes call for a 260. is that the only jets i need to change? the others are stock, Thanks to the shop that did the carb rebuild. 35mm pistons? Really? Quote
Darthwall Posted June 24, 2009 Report Posted June 24, 2009 come on man give the guy a break I thought the same thing that prolly means 65mm pistons or 35mm carbs one or the other Quote
bootlife Posted June 25, 2009 Author Report Posted June 25, 2009 Thanks guys ill Check and see what i come up with. I have took the carbs off and cleand them out with carb cleaner. I did what i was told is a dirty rebuild. Quote
shee4speed Posted June 25, 2009 Report Posted June 25, 2009 we need to find out if those are stock carbs or not.Do they have square boxes on top of them?If you can post some pics that will help.Was it a yamaha dealer that did the work? Quote
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