Good 400ex build - Honda ATV Forum
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  • 2 Post By Chadtrx400x
  • 2 Post By SlammedRanger
  • 2 Post By TRX2fiveO
 
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post #1 of 4 (permalink) Old 08-27-2017, 07:27 PM Thread Starter
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Good 400ex build

I got done building my 09 trx400x at the beginning of this month and it is really fast now. It is bored to 416 with a 10.8:1 je piston and a stage 1 hotcam. It also has kibblewhite valve springs and a crf450 timing chain. It has about 30 hours on it and 10 of those were break in. I recently drag raced a raptor 700 and some 450's and won. I would like to see more people create 416's that will compete with 450's.
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post #2 of 4 (permalink) Old 08-27-2017, 07:46 PM
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Ill throw my hat into that ring! LoL.

I raced a fair race 3 weeks ago and beat a total of 7 450s. In 2 different classes. I even got the holeshot against some lol.
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07 416ex
To many mods to list in signature(ran out of space lol)


Check out garage for full list
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post #3 of 4 (permalink) Old 11-18-2017, 04:49 PM
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Chad Nothing better than building something and racing it. How long of a race was it? Do you do alot of drags. Stock exhaust?
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post #4 of 4 (permalink) Old 11-19-2017, 06:58 AM
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We are having a big fun filled day of Drag racing @ Busco Beach and ATV park on Dec. 2 It's gonna be a 400EX shootout I guess I'll get to see how the "MOOSE Rocket" Fairs? Gonna be a power to weight concern on my end LMAO. . . . Should be fun though
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"MOOSE WAGON "
00 TRX400EX aka "MOOSE ROCKET"
91 TRX250X aka "MOOSE WAGON" RETIRED
96 Polaris 400L sport (Mrs. Moose Ride)
07 Suzuki LTZ250 (Sons)
96 Polaris 250 Trail Blazer (daughters)
06 TRX450ER aka === Under construction

Progress and Help
PM FOR MANUAL HELP
JETTING
Service_Manual_Downloads
2000_400EX_Build
400EX_Pivot_Bolt_
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