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Re: Just picked up a 1991 - New member
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Old 10-11-2018, 07:42 AM
mabdcmb@yahoo.com's Avatar
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Join Date: Jun 2008
Location: Pittsburgh, PA
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My VMax: 2006
My other bikes: Sportsman 570, Grizzly 450
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Default Re: Just picked up a 1991 - New member

There's been a lot of debate on the V-boost switch. There is no right answer. Per some dyno testing, the stock setting of V-boost kicking in around 6K RPM provide the best power in the low and mid range. As F-M said, leave it where you like it best. No big deal.

Fluids and filters are always my first thing on a new machine.
Are the tires good?
Check the charging system for proper output
Brake pads in good shape?

How does it run? If it runs good and doesn't leak anything I'd say don't fix what ain't broke!

Pay attention to how the front end feels. Does it dive severely while braking? The stock fork springs are weak but they are often upgraded.

An upgrade to your front rotors and calipers may be a good future mod if everything else is up to snuff. You can bolt on some 93+ vmax rotors, buy some caliper adapters from Morleys Muscle, and install some Gen1 hayabusa calipers and you'll increase you're braking power significantly.
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