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Old 11-11-2010, 07:20 PM   #1
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2001 zr 800 GEARS

What are the stock gears on a 01 zr 800? Looking for botom end boost. What are some options?
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Old 11-11-2010, 07:56 PM   #2
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24/39 is stock low altitude. You could go with the high altitude gearing but you will lose top end. High alt gearing is 23/40
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Old 11-11-2010, 10:50 PM   #3
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The 900's run 26/41 and I really like it, don't what it do on an 800.
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Old 11-12-2010, 08:01 AM   #4
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 Quote: Originally Posted by catspaz8 View Post
The 900's run 26/41 and I really like it, don't what it do on an 800.
I have clutch kit, pipe, y-pipe, key. Maybe it would work? How is your top end?
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Old 11-12-2010, 08:59 AM   #5
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 Quote: Originally Posted by chub44 View Post
I have clutch kit, pipe, y-pipe, key. Maybe it would work? How is your top end?
You originally said you wanted more bottom end performance. The 26/41 will be worse on the bottom end than you stock gearing. It will get you more top speed, but acceleration getting there will suffer.
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Old 11-12-2010, 12:45 PM   #6
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With a single pipe, Y pipe and Key you should be running similar numbers to a stock 900, and mine will rock top to bottom
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Old 11-13-2010, 06:56 AM   #7
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what are the proper sizes for zr 800? 13w?15w? spline?
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Old 11-13-2010, 07:03 AM   #8
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 Quote: Originally Posted by 109jb View Post
24/39 is stock low altitude. You could go with the high altitude gearing but you will lose top end. High alt gearing is 23/40
would the 24/39 gears off zr 800 fit a 04f7?
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Old 11-13-2010, 08:49 AM   #9
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okay another stupid ? what would the difference be between 23/40 and 25/38 gears?
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Old 11-13-2010, 09:24 AM   #10
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 Quote: Originally Posted by chub44 View Post
okay another stupid ? what would the difference be between 23/40 and 25/38 gears?
The best way I can describe it is this. Imagine a car with only one gear. 23/40 is like 1st gear. 25/38 is like 3rd gear. Now take off from a standstill. You are going to get off the line faster with the 23/40 but you will have more top end with the 25/38. It isn't a real good comparison because the sled has a variable ratio clutch, but it gives an idea.

On the 800's the chain is 15 wide.

Let me now ask you a few questions.
1. Have you ridden the sled how it sits currently?

2a. If #1 is yes, do you still want more bottom end like your original post?
2b. If #1 is no, then how do you know you want more bottom end?

3. What makes you think you need more bottom end?
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