Engine | Honda TRX 450R

What will my bike make on the Dyno?

291

77.4K

4 mo ago

291

77.4K

4 mo ago

The Dyno Room

Dyno Runs of Tuning and Testing Only

17.4K

2.8M

11 mo ago

17.4K

2.8M

11 mo ago

Engine Tech FAQ

"Home of the formerly pinned Threads."

3K

1.6M

3 mo ago

3K

1.6M

3 mo ago

Sticky TRX Porting . Theory . Tools. How to DIY

5 6 7

124

49K

Sticky Jetting Questions

15 16 17

320

179K

by BBreen

Sticky Ignition troubleshooting 101

2

33

31K

Sticky Crank Bearing Failures

11 12 13

254

127K

by hoser

Sticky the MOTHER FCR info / tuning guide

4 5 6

113

69K

by bowlingarage622

Sticky 06 Er to Kicker conversion on a budget

5 6 7

123

74K

Sticky The ORGs OFFICIAL Hot Rods +3 stroker thread

7 8 9

174

54K

by redrider4life91

Sticky HIGH compression Desrtroys Cranks \ melts pistons\

2 3 4

76

42K

Sticky Piston Weights

2 3 4

61

23K

by El Mamito USMC

Sticky TRX450R Cam Guide

3

55K

by ghott

Sticky Fuel: Deto / Preignition / Octane / Etc...

11

13K

Sticky TRX450R Online Reference Materials/ServiceManuals

2

88K

Sticky Uncorking your 450R on a budget...

1

61K

05 or 06 cylinder head ?

2

29

9K

by hoser

Hrc/stock head pipe identification

1

85

by hoser

0

69

Trx450r valve stem height specs

0

101

Need some head and valve specs

0

97

0

105

by Muddpup040206

2006 Honda TRX450ER NO SPARK

0

123

07 trx450er Hanging idle and slight pops

2

373

by Ryan94Wright

05 honda trx 450r bogging when throttle is pend ideal an runs fine other backfires like crazzy

2

154

06 big bore kit jetting question

0

124

Honda 450er electrical wiring

2

134

Fresh rebuild. Burning oil from worn case half?

0

103

2

182

by [email protected]

2007 Running Lean

9

399

by bustdknuckles

0

128

Burning oil/ excessive crankcase pressure

6

556

9

277

04r crank/bearings and left case and possibly right case replacement questions

3

204

by hoser

crank update installation?

8

2K

What do you guys think about this big bore kit? Anthem and CP

2

416

by Ryan94Wright

2003 400ex starting issue

2

184

by Ryan94Wright

0

119

1

452

by MrSqueaky4000

Fuels/Racing Gasolines

2

23

3K

by Dantheman18_02

2

245

by [email protected]

Fcr carb jetting with mods need a starting point

3

382

06 trx450er hotcams stage 2/shims question

8

345

by [email protected]

06 Trx450er jetting issue

6

337

3

270

by Phillip450er

No start when hot, decomp? Valves?

5

338

0

183

16 tooth front sprocket

6

315

2005 Honda trx450r sputtering issue

2

288

by Josh kilgallon

Stator issues,jetting

1

242

Spitting and sputtering

5

520

by Josh kilgallon