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yz250f spark arrestor

Joined
Dec 21, 1999
Messages
27
Likes
0
#1
Anyone tried the Big Gun Quiet Series. Is it really quiet? Doesn't perform just as well as stock or better? I need a spark arrestor...snow is melting!

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Joined
Feb 5, 2001
Messages
6
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0
#2
If your just looking for a sparky look at www.bmp.motox.org under yz400, and yes it fits a yz250f. My buddy got one for his 250f and it works great. It increases the backpressure a little which increases the low end grunt and takes away a just little on top. It still breathes well and you don't have to change the jetting. It also makes it a little quieter, not much. They will also ship it with the fmf endcap.

I put the Big Gun on my 400f (Oversize quiet series with quiet insert). It is extremely quiet, 84 db at idle and about 99-100 db at 1/2 throttle. It also breathes well, you'll have to increase your jetting to correspond with the added airflow over stock. I haven't seen/heard one on a 250f though. I'm extremely happy with mine.
Todd

'98 400f
'99 kx80
'99 kx60
'99 pw50
'98 lakota 300
 
- a d v e r t i s e m e n t -

Joined
Oct 7, 1999
Messages
846
Likes
0
#3
i put 1 on a yz250f, works great--way quieter, more & better power.

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KTM200,250
 
Joined
Dec 21, 1999
Messages
27
Likes
0
#4
Lawman, did you get the complete system or just the silencer? How much? From whom?

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