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Old 12-04-2011, 10:09 PM   #11
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 Quote: Originally Posted by GregB View Post
that wont help that sled at all. The zl440 is an entirely different engine from the zr. In fact zl clutching would probably spin a zr440 to moon, make the MPG get worse, and the sled wont run right.

Best solution would be to keep your self out of the throttle. If you comfertable with it, you can jet the carbs down and maybe pick up a little bit better MPG, but you need to be careful doing this as you can burn down an engine. Best your gonna get with that sled is 10 to 11 at the most.
False, Motors are the same. Only Difference between ZR and ZLs is clutching and shocks. Some years also had a little different gearing. But Zl Clutching would not spin the zr Higher
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Old 12-04-2011, 11:47 PM   #12
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mine gets 8 ave.
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Old 12-06-2011, 08:34 AM   #13
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 Quote: Originally Posted by pelle15 View Post
False, Motors are the same. Only Difference between ZR and ZLs is clutching and shocks. Some years also had a little different gearing. But Zl Clutching would not spin the zr Higher
False again 1998 zr 440 and zl 440 have 2 different engines the 1998 zr 440 is the same engine as the 1997
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Old 12-06-2011, 09:14 PM   #14
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Your ZR engine is case reed induction and 437cc, the ZL engines are piston port and 436cc, I think it's the "old" ZR engine from '94 & '95.....BTW, pay that guy back for the useless parts you sold him in your other post!

Last edited by Trp97; 12-06-2011 at 09:41 PM.
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Old 12-06-2011, 10:42 PM   #15
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 Quote: Originally Posted by pelle15 View Post
False, Motors are the same. Only Difference between ZR and ZLs is clutching and shocks. Some years also had a little different gearing. But Zl Clutching would not spin the zr Higher

nope..

zl = piston port 68 HP engine

ZR = high 90s HP case reed engine
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Old 12-06-2011, 10:49 PM   #16
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 Quote: Originally Posted by Trp97 View Post
Your ZR engine is case reed induction and 437cc, the ZL engines are piston port and 436cc, I think it's the "old" ZR engine from '94 & '95.....BTW, pay that guy back for the useless parts you sold him in your other post!
i think it is actually the old prowler engine from the early 90s.

In 98 they had 3 440 liquid engines

Zl 440 piston port engine that made about 68HP

ZR 440 consumer version case reed, low 90s HP (same as the 1997)

Zr440 sno-pro limited build racer with the case reed, power valved 440, that was in the higher 90s for HP
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Old 12-08-2011, 10:35 AM   #17
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 Quote: Originally Posted by trp97 View Post
your zr engine is case reed induction and 437cc, the zl engines are piston port and 436cc, i think it's the "old" zr engine from '94 & '95.....btw, pay that guy back for the useless parts you sold him in your other post!
how many times do i have to say it?!?! I never was in contact with that guy!!!!!!!!!!!!!!! I dont know him at all!
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Old 12-08-2011, 10:42 AM   #18
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Never really heard of anyone being concerned about mileage on a sled. Don't mean to sound rude but if you can't afford the fuel then you can't afford the sled.
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Old 12-08-2011, 10:44 AM   #19
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i dont have a problem with getting 9 mpg. i was just wondering if/how i could gain some
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Old 12-08-2011, 10:46 AM   #20
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I see. Can you remove any weight from the sled? Or the rider?
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