Engine | Honda TRX 450R

What will my bike make on the Dyno?

291

74.2K

1 mo ago

291

74.2K

1 mo ago

The Dyno Room

Dyno Runs of Tuning and Testing Only

17.4K

2.7M

8 mo ago

17.4K

2.7M

8 mo ago

Engine Tech FAQ

"Home of the formerly pinned Threads."

3K

1.6M

8 d ago

3K

1.6M

8 d ago

Sticky TRX Porting . Theory . Tools. How to DIY

5 6 7

124

48K

Sticky Jetting Questions

15 16 17

320

173K

by BBreen

Sticky Ignition troubleshooting 101

2

33

30K

Sticky Crank Bearing Failures

11 12 13

254

125K

by hoser

Sticky the MOTHER FCR info / tuning guide

4 5 6

113

65K

by bowlingarage622

Sticky 06 Er to Kicker conversion on a budget

5 6 7

123

72K

Sticky The ORGs OFFICIAL Hot Rods +3 stroker thread

7 8 9

174

52K

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

54K

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

60K

05 trx450r will idle but will die as soon as I give it throttle.

1

57

by CJM

'06 450er clicking

3

102

by MrSqueaky4000

2006 - intermittent and random bog

1

152

by MrSqueaky4000

Need help with crankcase pressure

18

405

Where can I find a CP piston?

2

134

by CJM

07' TRX450ER New Motor Wont Start

0

89

Spark Plug Read: Lean or Right on?

5

151

by CJM

No 05 hrc needles

4

274

by CJM

Looking to upgrade exhaust

11

409

by MrSqueaky4000

Shims on stage 2 Hotcams

7

221

HRC Kit Confusion

16

2K

by CJM

Please help! Measuring bore size.

1

179

by [email protected]

2005 Kicker Hard start and burned oil smoke coming from engine vent hose, please help

6

513

by El Mamito USMC

radiator fan issues

4

529

by hoser

Cylinder issue?

1

179

by [email protected]

Finally wanting a FCR but need help with some questions!!

1

175

05 copper metal in head and camshaft area.

1

146

by hoser

0

109

Discontinued 04-05 cylinder head

4

217

by [email protected]

06’ trx 450 Pro X vs Oem crankshaft ..??

5

261

0

125

by Smokin477_TRX

BLOWN UP ENGINE

1

176

by hoser

Spitting and sputtering

1

203

by Ryan94Wright

05 TRX450R Only runs on choke, idles high, and a/f not effecting.

2

24

3K

2

216

07 450er charging problem!!?

12

4K

chewin up wrist pins

7

1K

0

191

looking for cnc machined power bowl

0

149

by alexmachinist

Cheap lighting options

5

272

by hoser

Bottom End Rebuild?

4

540

2005 Honda 450r jetting

2

241

by Reno

Oil coming out of exhaust

0

129

Timing chain stuck

3

234

by hoser

Leakong oil after rebuild

6

229