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kev1
90cc 2 stroke / 110 4 stroke


Joined: 12 Oct 2007
Posts: 93
Location: kurri kurri

PostPosted: Sat Jan 23, 2010 11:42 pm Post subject: sprockets Reply with quote Back to top

hi all what sprockets are yous running on a yfz 450 for more top end cheers all
 
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bigjon
Moderator


Joined: 17 Feb 2006
Posts: 1279
Location: Dubbo

PostPosted: Sun Jan 24, 2010 11:05 am Post subject: Reply with quote Back to top


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feralkid
The Day Starts With OZATV !


Joined: 29 Oct 2007
Posts: 1567
Location: North Western Victoria

PostPosted: Sun Jan 24, 2010 2:18 pm Post subject: Reply with quote Back to top

I'm running a 15 on the front with the standard 38 on the back with a 20" tyre and it does about 125km/h. I still want more top though. Might have to go smaller on the back.
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Predatory
4fiddy Racer


Joined: 01 Aug 2007
Posts: 222
Location: Perth

PostPosted: Tue Jan 26, 2010 12:57 pm Post subject: Sprockets Reply with quote Back to top

If you are not doing motoX you should try experimenting with tyre size. You can get 21 & 22" rear tires and it makes quite a significant difference. all depends on what you do with the quad.
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dangerman4
Roostin Away


Joined: 31 Mar 2007
Posts: 854
Location: Morphett Vale

PostPosted: Tue Jan 26, 2010 7:28 pm Post subject: Re: sprockets Reply with quote Back to top

kev1 wrote:
hi all what sprockets are yous running on a yfz 450 for more top end cheers all


how fast do you wanna go?
whats your ideal top speed?
 
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Clarkie
The Day Starts With OZATV !


Joined: 26 Jan 2009
Posts: 1138
Location: Mildura VIC

PostPosted: Tue Jan 26, 2010 8:16 pm Post subject: Re: sprockets Reply with quote Back to top

dangerman4 wrote:
kev1 wrote:
hi all what sprockets are yous running on a yfz 450 for more top end cheers all


how fast do you wanna go?
whats your ideal top speed?



I bet not as quick as you Dangerman
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Overlord
4fiddy Racer


Joined: 17 Jan 2007
Posts: 272

PostPosted: Wed Jan 27, 2010 8:25 am Post subject: Gearing Reply with quote Back to top

Just remember folks you start to loose exceleration and thats what its all about. I remember when everyone was raving about 15 tooths on Raptor 700's and I kept mine at 14 and never lost a drag race and by the time they caught me in top end the race was way over like 5 kms ago. If you aint got the grunt to pull higher gearing you are wasting your time and all you do is stress your clutch out. But if your riden Fink or the Safari I suppose its good to go.


Regards Overlord
 
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