zillakilla02 Posted May 17, 2015 Report Posted May 17, 2015 hey guys so I recently purchased an 02 banshee 392 cheetah cub 4 mil stroker. the guy I bought it from was kind of a knob and couldn't answer any of my questions. he had paperwork from vitos that the original owner gave him showing the 392 kit was bought along with some other stuff. it has a pro design coolhead with 22cc domes, some sort of aftermarket carbon fiber reeds, Toomey t6 pipes and silencers, k&n direct mount air filters with outerwears, vitos performance carb kit (whatever that includes) 340 main, 25 pilot, and some red needles that must be part of the carb kit. but on the paperwork I noticed it said the 392 kit was for a stock crankshaft. he said he had it rebuilt 8 months ago and the place that did it told him it was a 4 mil stroker. is there any easy way of finding out for sure if this is a stroker or just a big bore besides having to pull the cylinders off and measure a rod? I thought maybe I could pull the coolhead and see if it has stroker domes in it. if so what is the difference between regular domes and stroker domes? also I went trail riding with it last weekend it ran great but it was very dusty and towards the end of the day it started hesitating a little bit. I didn't think too much of it but it had me a little worried. well the next day it wouldn't start. I pulled off the air cleaners and the slides were loaded with dirt and gunk. I know the air filters were clamped on tight and I noticed the tors units on top of the carbs were loose and wobbling around. could this be where all my dirt came from? I pulled off the carbs and cleaned everything out, installed new float needles because one overflow was leaking since I got it, and made sure to tighten down the top caps so the tors were not loose anymore. well ever since I tightened them down it runs like crap wont idle and falls flat on its face if I try to ride it. I messed around with the adjustment on the tors and just ended up disconnecting all the electrical connections at the brain box and the thumb throttle and now it runs great??!!! I don't get it. so I ordered the tors eliminator kit that should be here this week so hopefully solves that problem. I also ordered a new chariot billet intake and billet reed cages and im wondering if I will need to change my jetting? seems like a pretty big main jet and kind of a small pilot??? any help is greatly appreciated as I used to own a built quadzilla and a big bore trx330r but im new to the twin screamers!!! thanks guys Quote
bigweav81 Posted May 17, 2015 Report Posted May 17, 2015 A 392 should be a 68mm bore on a stock stroke engine. Quote
zillakilla02 Posted May 17, 2015 Author Report Posted May 17, 2015 right but im wondering how to tell if its a 4 mil stroker like the guy said or not. like how to tell if theres a stroker crank or stock crankshaft Quote
BANSHEE HP Posted May 17, 2015 Report Posted May 17, 2015 sounds like you got a fairly good pile of mis-matched parts... 392 is stock stroke 68mm piston motor, stock carbs and t6 pipes on that motor are not helping it any. you can pull the domes to check if it is infact a 4mm crank. Quote
zillakilla02 Posted May 17, 2015 Author Report Posted May 17, 2015 so being that its a 392 it should be a stock stroke crank? Quote
zillakilla02 Posted May 17, 2015 Author Report Posted May 17, 2015 yeah that's what im hearing but vitos told me the stock carbs can actually do pretty well with the right jetting and atomize the fuel better. if I pull the domes what is the difference between a stroker dome and not? Quote
BANSHEE HP Posted May 17, 2015 Report Posted May 17, 2015 the step in the dome will be deeper.... take a picture and report back some thing else to do before taking it apart is to do a squish check., just so you know where your at. compression check at this point couldnt hurt either Quote
zillakilla02 Posted May 17, 2015 Author Report Posted May 17, 2015 is it best to replace the orings any time you take the head off? Thanks for the advice guys the step in the dome will be deeper.... take a picture and report back some thing else to do before taking it apart is to do a squish check., just so you know where your at. compression check at this point couldnt hurt either Quote
BANSHEE HP Posted May 17, 2015 Report Posted May 17, 2015 you dont have to replace them if theyre in good shpae i.e no fraying or cracks Quote
zillakilla02 Posted May 17, 2015 Author Report Posted May 17, 2015 Ok thanks alot. Hopefully I can figure out how to post pictures to post what domes I have, it keeps telling me that the file size is too big and I'm not sure how to decrease it. Quote
zillakilla02 Posted May 18, 2015 Author Report Posted May 18, 2015 Ok I'll go sign up for one thanks Quote
98_sheester Posted May 18, 2015 Report Posted May 18, 2015 Use tapatalk also it works well to upload pics but id get some 27.5 pilots to put in there also would get a new throttle cable with the tors eliminator kit if it didnt come with one. And id clean and oil your filters before your next ride so you start sucking clean air Quote
zillakilla02 Posted May 18, 2015 Author Report Posted May 18, 2015 Yeah 25 pilots seemed pretty small to me and it always wants to idle kinda high. I ordered the tors kit with the throttle cable because the one on there seems really stiff. And I picked up a k&n recharge kit a few days ago. Tryin to fix all the little stuff! Quote
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.