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Kawasaki Mojave/Lakota The revolutionary long-lasting Mojave, and it's close cousin

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Old 05-22-2012, 12:38 PM   #1
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Default Help Changing Front sprocket

I have a 14t Front sprocket for my 02 mojave. which way are the threads on the bolt? i can't seem to get it loosened... also have a 37t rear sprocket on the way
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Old 05-22-2012, 01:09 PM   #2
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They are regular threads. Sometimes they are very hard to get off. When i had mine, i used one of those air guns and got if off in no time.

Thanks
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Old 05-22-2012, 04:22 PM   #3
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you gotta put the engine in gear also or it will just keep spinning
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Old 05-22-2012, 08:02 PM   #4
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Thanks. Don't know if i will need to install it after my installation of my 37t rear sprocket or not. anyone know the speeds they get with 12/37? or 14/37?
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Old 05-23-2012, 05:21 AM   #5
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do you know the speed you get at any configuration? if you do you can figure it for yourself, it's simple multiplication and division to figure the new maximum....assuming you don't run out of power before reaching it. If so, post the existing speed and ratio.
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Old 05-23-2012, 06:09 AM   #6
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im getting around 62mph right now. 66 if i push the rev limiter hard. plenty of power to get there. its got high compression piston and rings and few more after market parts. im pretty sure im running 12/41 but it rides to high rpm and first gear is still useless even in mud i can use second without a problem. whats the internal transmission ratio?
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Old 05-23-2012, 08:12 PM   #7
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Use an impact. Anything else is about a complete waste of time. If you don't have one go to harbor freight and pickup an electric one for 40 bucks. You'll use the piss out of it! Mine is 45 years old and still works great.
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Old 05-23-2012, 08:32 PM   #8
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It's still not fun to do, but I always put a bar through the rear sprocket to keep things from turning rather than use the transmission to hold it. Less chance of breaking internal parts that way. I also use our 3/4 drive socket set, but not everyone has that laying around.
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Old 05-24-2012, 05:30 AM   #9
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So, you currently have a 12/41 (0.293 ratio) and want to go to a 14/37 (.378 ratio). If you're getting 66mph currently, you're new maximum will be 85mph (66*[.378/.293]) assuming you still have enough power to hit the rev limiter. You may be surprised at how quickly the power goes away. After all, wind resistance goes up by the square of your speed. You also asked about a 12/37 ratio, it would get you to 73mph.

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Old 05-24-2012, 07:46 AM   #10
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its has absolutely no problem hitting rev limiter now. 62 is about all it will do. 66 is down hill and holding on rev limiter and it will spray oil.. from what iv'e read its a release valve that sprays the oil.
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