Author Topic: wrong exhaust? (Read 777 times)

Bmcg1313 · « **on:** January 24, 2014, 02:52:39 pm »

So the lt250r I bought came with a full fmf setup however the way the silencer is bolted to the rear is crazy there is a socket being used as a spacer and a crazy long bolt any idea why and if this might be the wrong silencer or am I missing something thanks

Bmcg1313 · « **Reply #1 on:** January 24, 2014, 02:53:38 pm »

Also the quad is a 89

Dutch_Rutter · « **Reply #2 on:** January 24, 2014, 02:58:19 pm »

Might just be me but that header looks out of place and nothing like my 87+ header that I just got for my LT, I havent been able to put it on so one of us has something funky.

Bmcg1313 · « **Reply #3 on:** January 24, 2014, 03:00:55 pm »

It's probably me I bought the quad like this so for all I know the exhaust belongs on another quad o and if you didn't know if you have any rust on your pipe rub it down with wet crinkled aluminum foil and it will dissappear the stuff works magic

Motoman991 · « **Reply #4 on:** January 24, 2014, 03:01:03 pm »

Is it so it doesn't hit the sprocket?

Bmcg1313 · « **Reply #5 on:** January 24, 2014, 03:03:08 pm »

What is so it doesn't hit the sprocket how should it be mounted up I assume with out a ghetto socket spacer

Dutch_Rutter · « **Reply #6 on:** January 24, 2014, 03:06:54 pm »

I believe that motoman is suggesting that the spacer keeps the silencer from hitting the sprocket if the suspension gets bottomed out. When I got my 86 the mid pipe looked to have melted a hole in the air box, but that was also a FMF slip on a stock header, a spacer like that would of prevented that problem.

Maybe with a spacer thats not a socket, like cut pipe. btw thanks for the tip on the foil, I'll have to try that when I get home.

Bmcg1313 · « **Reply #7 on:** January 24, 2014, 03:10:07 pm »

As long as it does nothing wrong I'll keep it I just don't want it to f anything up

Andys92 · « **Reply #8 on:** January 24, 2014, 03:12:06 pm »

maybe the rear section is for a 91/92 model ?

Chuckie25 · « **Reply #9 on:** January 24, 2014, 03:20:27 pm »

Your grab bar has it's own spacer on it. That's just a ghetto rigged spacer like you think it is. Also I'm pretty sure that's not the correct silencer. I think that might be a dirt bike silencer. The LT silencers have two mounting hole/brackets

Nice axle/hubs btw

Bmcg1313 · « **Reply #10 on:** January 24, 2014, 03:29:01 pm »

Thanks man I picked this bike up the other day for 600 and I'm just working on bringing it back to its former glory I I may just keep that silencer for now it works fine and I can just use that homemade spacer and have it PC the same color as the frame why not it works great any idea what brand the wheels might be

Chuckie25 · « **Reply #11 on:** January 24, 2014, 05:47:43 pm »

The front wheels look to be stock rims wrapped in Dunlop's. The rear hubs are either 06+ YFZ450R/X (if 24 spline) or LTR450 (if 26 spline) both are 4/110

PCS · « **Reply #12 on:** January 24, 2014, 06:04:32 pm »

i had an 06 yfz and the pattern is not 4x110 i was 4 x 115, same as the raptor700/660/350 and banshee

Dutch_Rutter · « **Reply #13 on:** January 24, 2014, 06:08:05 pm »

Those hubs are from the YFZx the hard to find extended ones. and yes all yamaha hubs are 4x110 except for the OLD banshee ones which are 4x145

PCS · « **Reply #14 on:** January 24, 2014, 06:17:00 pm »

if its an 89 its probably a 26 spline axle so likely those are ltr hubs and more so if they have a 4x110 pattern.
yfz raptors banshee have 4x115 rear not 110, that is a honda size
for a couple of years there was a big hub banshee, 4x156, i have a 90 shee sitting in my port with that rear pattern.

PCS · « **Reply #15 on:** January 24, 2014, 06:19:07 pm »

http://atvboltpattern.com/Yamaha_ATV_Bolt_Patterns.htm

http://www.myboltpattern.com/atv-bolt-patterns/yamaha-atv-bolt-patterns/

LT250RWV · « **Reply #16 on:** January 24, 2014, 06:24:47 pm »

Pcs is right looked up on lonestar sight before he posted his last post.

Chuckie25 · « **Reply #17 on:** January 24, 2014, 06:58:58 pm »

My bad, don't slit my throat LOL

I was given wrong information by someone else then. I just know I need 24 spline 4x110 or 4x115 for my hipers so that's why I remembered that

2smoker · « **Reply #18 on:** January 24, 2014, 07:04:15 pm »

300ex, 400ex, and 450r hondas all fit the lsr rear axle also im running 450r on mine

Bmcg1313 · « **Reply #19 on:** January 24, 2014, 08:28:07 pm »

Thanks for all the help guys I'm sure I have plenty more questions as the build continues right now just prepping the motor for new gaskets and rings

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Author Topic: wrong exhaust? (Read 777 times)

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