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mattg324
09-19-2007, 07:50 PM
Also wahts the top speed approx.

OutlawBill
09-20-2007, 04:18 AM
75 too 100 mph

mattg324
09-20-2007, 12:48 PM
wow seriously? thats crazy if it goes over liek 80 stock.

OutlawBill
09-22-2007, 06:16 AM
Pure stock around 75-79 mph. With taller gears bigger tires and a pie any 450+ cc sport quad should be in the 90 too 100 mph range.

450Rchaser
10-19-2007, 01:23 PM
90-100 is a bit much. Your rear sprocket would look like a bicycle wheel. it would put my LTR up against one anyday. Mine ran 74 w/ a 13t front sprocket and 18s. Ive not rode one yet but you gotta have enough motor to pull speeds like 90-100 or give it a 2 mile straight stretch w/ a small down grade

OutlawBill
10-19-2007, 01:39 PM
I know a DS650 with just a slip on exhaust; 22 inch rear tires and tall gears (17/38?) will due around 100 mph. A 450 with the same set up should be able to hit 90 mph. This is a desert race setup and a HC piston; heavy duty valve spring and a new CDI may be need.

realbadlarry
10-19-2007, 05:50 PM
Bone stock 525exc will pull like 102, but that is with a 6th gear and less weight. I would guess high 80's stock. Who needs to go that fast anyway?

450Rchaser
10-19-2007, 06:35 PM
Is that the dirtbike?

realbadlarry
10-19-2007, 07:54 PM
yeah, the 2 wheeler. Pretty much same motor, just less 6th gear.