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Member
I have a 2001 400ex. Can someone tell me what the stock gearing is?
I need some help figuring out what I need to do with my gears. My bike is 11:1 416 stage 2 hot cam. I ran it on 18 in tires yesterday and I loved it. It seemed like it pulled alot harder because it kept the bike in its power band the hole time.
I run 20 inch tires when I ride.
What gear change should I make to get it to run like it has the 18's on it?
01' 416EX Yellow
01' Z28 Looking for 650HP+
15/38 is stock. dropping the front to a 14 tooth will get you 1 MPH difference from 18" tires. 14/39 is about as close as you will get to 18" tires less than a MPH difference. I would just drop the front to a 14 tooth to make things easier. 18" tires weigh less and give you more snap though even if the gearing makes it the same as 20" tires
Member
Alright thanks. I'll try that out.
01' 416EX Yellow
01' Z28 Looking for 650HP+
Senior Member
I have 13/36 gearing with 18" tires what does that equate to?
05' fan cooled 416ex, zrpilot's motor, GT Thunder 10.8:1 piston, GT Thunder HD headstuds, HD cam chain, HRC cam, GT Thunder 8 plate clutch, GT Thunder XC Port & Polish, GT Thunder XC CDI, terry cable throttle, 450r carb(48 pilot, needle 3rd from the top 178 main), white brothers e series pro-meg muffler, white brothers header,UNI, aluminum air box no lid, galfer ss brakes lines, houser +2 arms, TCS dual rate shocks with rezzies, lonstar +2 swingarm and +4 axle, LSR billet sprocket hub, tag fat bars, maier race plastics, kenda knarly mxr 18s kenda klaw mxf 20x6, spal 4" puller fan, 14/36 gearing and ..... Dual rate Axis rear shock, AMR monster coil, roll design +2 steering stem
06' CC F-250 Diesel FX4 6" lift 20x12 welds 35x13.50 mickey thompson's 4" TB exhaust no cat 2 jl 10"
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