New Banshee, Got a Problem

[dragbanshee]

ok rich is what? Too much fuel, or not enough? That plug had like 2 hours riding time on it. Do I need to jet it more or less or what? My pilot jet is stock, mains are 260's. What do I need to do?

Well I would suggest taking the lid off the air box to see how much better it runs but you would have to figure out a way to keep the filter from falling out. That would help lean it out, just dont leave it that way. If it runs better put a smaller main jet, or move clip on needles, and make sure your plugs are gapped right .028-.032 where are you located? elevation?

[Mat Holland]

located in illinois, and i tried doing that as well and it runs bout the same. Im guessing that top end needs rebuilt, because i dont know why else it would just quit working all of a suddon. and it all happened after it overheated, so thats my guess.

[dragbanshee]

So how did the bike run when you got it? and did it start up ok? You dont have to keep it reved up to keep it from fowling plugs either if its tuned right.

[Mat Holland]

when i got it, it had stock exhaust and everything, and it didnt have a bit of trouble, it idled excellent and everything. Then when i put on my exhaust and jetted it, is when i started having problems. I know someone down the rode that has a compression tester, he owns a shop and hes a friend of my dads. We are going to take it down there tomorrow, and im gonna test it, and i will let you guys know the results. My dad has an ol timberwolf thats in super nice condition, and he is gonna let me sell it and keep the money, so ill hopfully have a grand to work with, so i plan on rebuilding it if it needs it, getting these rims (4 of them) in black

http://www.rockymountainatv.com/productDet...odFamilyId=8641

those good rims?

 

with razr 20's in the rear and 21's in the front.

 

then not entirely sure what ill get with the remaining, possible k & n air filter, power lid, and cool heads. not entirely sure, anyone got any suggestions?

 

I will let you guys know tomorrow around 2 or 3 central time the results of the compression test.

 

Thanks guys, you have been a lot of help, nice forum btw!!!

[dragbanshee]

when i got it, it had stock exhaust and everything, and it didnt have a bit of trouble, it idled excellent and everything. Then when i put on my exhaust and jetted it, is when i started having problems. I know someone down the rode that has a compression tester, he owns a shop and hes a friend of my dads. We are going to take it down there tomorrow, and im gonna test it, and i will let you guys know the results. My dad has an ol timberwolf thats in super nice condition, and he is gonna let me sell it and keep the money, so ill hopfully have a grand to work with, so i plan on rebuilding it if it needs it, getting these rims (4 of them) in black

http://www.rockymountainatv.com/productDet...odFamilyId=8641

those good rims?

 

with razr 20's in the rear and 21's in the front.

 

then not entirely sure what ill get with the remaining, possible k & n air filter, power lid, and cool heads. not entirely sure, anyone got any suggestions?

 

I will let you guys know tomorrow around 2 or 3 central time the results of the compression test.

 

Thanks guys, you have been a lot of help, nice forum btw!!!

I seriously doubt that you overheated it that bad to cause those problems, its prolly carb issues. Oh, nice wheels and tire choice too.

[magz]

always always always start with a compression check, if you dont have the compression, its going to run like shit no matter what jets you put in it.

 

you need atleast 100 psi to run worth a damn, if you dont have that, send the motor to a builder.

 

once you know you have the compression, then check jetting but dont waste your time on jetting if you dont know if you have compression. once that checked, and you still feel its jetting

 

pull out a carb, make sure its clean, make sure jets are clean, make sure both carbs are synced together, make sure you have the tube between the 2 carbs installed, make sure theres no tears in your boots. then look at correcting which jet to buy.

Edited August 25, 2008 by magz

[quikshee]

alright, ill ask around and try to get a compression tester tomorrow. How exactly do you use one of them anyway? Like i said it was running fine, until the other night, i cleaned the plugs, and put them back in and it doesnt want to stay running, why would it have quit running all of a suddon?

[/quote

 

 

First make sure the engine is cold, pull both spark plugs. Screw the tester into one of the plug holes then hold the throttle wide open and kick it until you get the highest reading, and do the same with the other cylinder. If one is significantly more or less than the other, something is wrong.

[Mat Holland]

First make sure the engine is cold, pull both spark plugs. Screw the tester into one of the plug holes then hold the throttle wide open and kick it until you get the highest reading, and do the same with the other cylinder. If one is significantly more or less than the other, something is wrong.

 

Left Cylinder was 72 PSI and the right one was 77 PSI...was tested with a snap on tester.

 

Top end rebuild then?

[magz]

Left Cylinder was 72 PSI and the right one was 77 PSI...was tested with a snap on tester.

 

Top end rebuild then?

 

 

exactly, no compression, 100psi minimum to run decent. thats why you never mess with jetting untill you rule out compression and clean filters first.

 

 

 

your first step needs to be take the motor out and take it to a builder or build it your self if your mechanically inclined. if not take it to a builder and he will tell you everything you need.

[Mat Holland]

theres not any shops that build motors and stuff around here. I know a couple of people that do know how to rebuild motors, that are friends of my dads. So would you guess that its pistons and rings or more so than that?

[magz]

theres not any shops that build motors and stuff around here. I know a couple of people that do know how to rebuild motors, that are friends of my dads. So would you guess that its pistons and rings or more so than that?

 

 

pretty low psi, only way to tell is to take the motor out or atleast take the head off and the juggs off and pistons off and take them to a guy who knows what hes doing and knows about specs and see if the juggs are within spec of just putting fresh rings on. but probably ganna need a new set of pistons rings and bore and hone job. probably looking somewhere around 500-700 bucks depending on what else you buy.

[dragbanshee]

exactly, no compression, 100psi minimum to run decent. thats why you never mess with jetting untill you rule out compression and clean filters first.

 

 

 

your first step needs to be take the motor out and take it to a builder or build it your self if your mechanically inclined. if not take it to a builder and he will tell you everything you need.

Damn that was low, what would the over heating do to make it lose comp. warp? just wondering, never had one over heat bad.

[2smokefan]

dont run in 6th gear full throttle for longer then 15-30 seconds. anything over that and your ganna get snafu'd

if your going to be running at any speed for any amount of time keep it at half throttle.

 

OT: IF everything is right how is that going to hurt it? i guess being fat could wash but that wouldn't be right

 

 

 

 

 

some questions that hasn't been asked yet is what ratio do you mix your oil and what oil are you using? even being rich that plug looks more oil rich than anything.

 

how old is this snap-on gauge?

 

some other things to check on the carbs is the play in the slide. that brass pin can back out and wear. This can cause issues.

 

if you want to run with the lid off a easy way is to take a drill bit the size of a small screw you'll use and drill the plastic flang on each side of the top so it spins without biting. then take a smaller bit and drill the airbox(or run the screw in) so you have the right gap for the lid to fit on. when you bolt it on the top like this you can take the lid off and everything stays sealed.

 

there is a good sized radiator for a reason! if you want to putt in the woods pick up a quad more liking to this type of riding.

[Mat Holland]

OT: IF everything is right how is that going to hurt it? i guess being fat could wash but that wouldn't be right

 

 

 

 

 

some questions that hasn't been asked yet is what ratio do you mix your oil and what oil are you using? even being rich that plug looks more oil rich than anything.

 

how old is this snap-on gauge?

 

some other things to check on the carbs is the play in the slide. that brass pin can back out and wear. This can cause issues.

 

if you want to run with the lid off a easy way is to take a drill bit the size of a small screw you'll use and drill the plastic flang on each side of the top so it spins without biting. then take a smaller bit and drill the airbox(or run the screw in) so you have the right gap for the lid to fit on. when you bolt it on the top like this you can take the lid off and everything stays sealed.

 

there is a good sized radiator for a reason! if you want to putt in the woods pick up a quad more liking to this type of riding.

 

well, idk how old it is, it could be a little off, but im gonna tear into the top end later on this evening, and let the guy come look at it. I will let you know what happens later on. I don't ride in the woods, the place wasnt really woods, i mean theres hills there, and I was climing one, and bottomed out. i was just following someone that was really slow in a jeep so it couldnt get much air.

 

edit: I run 32:1 with klotz oil.

Edited August 25, 2008 by Mat Holland

[Mat Holland]

whats the piston ring end gap supposed to be? what measurement?