Engine | Honda TRX 450R

What will my bike make on the Dyno?

279 64.2K

7 mo ago

279

64.2K

7 mo ago

The Dyno Room

Dyno Runs of Tuning and Testing Only

17.4K 2.5M

5 mo ago

17.4K

2.5M

5 mo ago

Engine Tech FAQ

"Home of the formerly pinned Threads."

3K 1.5M

13 d ago

3K

1.5M

13 d ago

Sticky Jetting Questions

15 16 17

320

155K

by BBreen

Sticky Ignition troubleshooting 101

2

33

27K

Sticky TRX Porting . Theory . Tools. How to DIY

5 6 7

123

42K

Sticky Crank Bearing Failures

11 12 13

254

120K

by hoser

Sticky the MOTHER FCR info / tuning guide

4 5 6

113

53K

by bowlingarage622

Sticky 06 Er to Kicker conversion on a budget

5 6 7

123

66K

Sticky The ORGs OFFICIAL Hot Rods +3 stroker thread

7 8 9

174

50K

by redrider4life91

Sticky HIGH compression Desrtroys Cranks \ melts pistons\

2 3 4

76

41K

Sticky Piston Weights

2 3 4

61

21K

by El Mamito USMC

Sticky TRX450R Cam Guide

3

51K

by ghott

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

11

12K

Sticky TRX450R Online Reference Materials/ServiceManuals

2

87K

Sticky Uncorking your 450R on a budget...

1

58K

Mainshaft Bearing Carnage

0

51

by hoser

Broken Decompressor Weight

0

44

by hoser

TRX450R Clutch Side crank seal fixed. finally

8

4K

by TheGreatJake

‘05 TRX 450r only back fires after valve adjustment

18

301

Engine still running too hot

1

100

by hoser

parts needed for bottom end.

12

724

HMF slip on Needs packed But cant find a repack kit.

6

159

Dass vs Rossier exhausts

2

37

10K

by hoser

SIEZED ENGINE WHAT DO I DO

1

124

by hoser

Jetting suggestions

2

197

Jetting issue??

7

383

by hoser

My 400ex is knocking

2

89

All year TRX450 motors

3

158

by CJM

Stroker vs oem with carillo rod

10

208

by Breon Newcomer

No crank seal engine oil on both sides ?

0

82

by Rubens atv repair

Stage 2 hotcam valve clearances

2

82

by hoser

Timing marks on crank gear and flywheel

3

103

by hoser

Is it normal for exhaust to turn red at night?

9

157

D

Jetting for yoshi pipe

desrt_racr15
Dec 22, 2005

17

3K

by CJM

Exhaust glowing red and some backfiring

3

125

by CJM

need help cracked case

14

187

by CJM

Just need some advice on what i should do.

7

254

1

149

by hoser

Which to choose?

0

57

2007 450er need some help ! bike has went through 2 batteries in 3 months

10

236

Its time to build, welcoming thoughts and opinions

CJM
8 mo ago

2 3

41

1K

by CJM

Timing chain stuck?

2

120

4

378

Stage 2 hot cam

8

311

2006er heat issue

2

224

2012 Bog remedy and additions... Input welcome

2

135

2

317

knock to new athena 96mm to knock to 510 kit

5

597

Did my cam chain jump a tooth?

12

4K

by Josh09

7

132

by hoser