TRX450R Valve Adjustment HOW-TO - Honda TRX Forums: Honda TRX 450R Forum

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Old 02-22-2007, 08:27 PM   #1 (permalink)
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This is my own personal Valve Adjustment HOW-TO write up for the TRX450R....complete with detailed pictures.

Its long winded...but its complete and, I would venture to say, idiot proof.

It outlines the tools you need, steps, precautions, and detailed pictures.

Special thanks to all of those involved behind the scenes!

http://webpages.shepherd.edu/ghott01/valve...adjustment.html
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(^^^TRX450R tech articles, dyno testing, pics, vids, and more)

| '04 Racers Edge, AZ 545cc "Me Gusta!" |
| '05 Wicked Motors, MD 450cc "PunisheR" |
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Old 02-22-2007, 08:35 PM   #2 (permalink)
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Nice ghott! That should help a lot of people! That must have taken some time to put together?
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Old 02-22-2007, 08:36 PM   #3 (permalink)
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Mind if I link to this in my Online Reference Material thread?
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2005 TRX450R - Red
HRC Kit (What is left)
12.25:1 Venom Piston
Venom Porting
HotCams Stage 2
DASA Exhaust System
ESR Intake (Ported by Bob McKray)
JD Performance +2 STD Travel Race Arms
2007 OEM Swingarm w/ GT Thunder Rear Re-Valve and MX Link
RPM Dominator II & Anti-Fade
...More pics and specs...

Online Reference Material for the TRX450R
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Old 02-22-2007, 08:36 PM   #4 (permalink)
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Quote:
Nice ghott! That should help a lot of people! That must have taken some time to put together?[/b]
Long time...

Took me a long time to get motivated to write it hehe
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My 2005 Honda TRX450R Site

(^^^TRX450R tech articles, dyno testing, pics, vids, and more)

| '04 Racers Edge, AZ 545cc "Me Gusta!" |
| '05 Wicked Motors, MD 450cc "PunisheR" |
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Old 02-22-2007, 08:37 PM   #5 (permalink)
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Quote:
Mind if I link to this in my Online Reference Material threat?[/b]
Sure thing man....do it.
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My 2005 Honda TRX450R Site

(^^^TRX450R tech articles, dyno testing, pics, vids, and more)

| '04 Racers Edge, AZ 545cc "Me Gusta!" |
| '05 Wicked Motors, MD 450cc "PunisheR" |
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Old 02-22-2007, 08:41 PM   #6 (permalink)
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Quote:
<div class='quotemain'>Nice ghott! That should help a lot of people! That must have taken some time to put together?[/b]
Long time...

Took me a long time to get motivated to write it hehe
[/b][/quote]


Well, props to you! Thats way to much ambition for me. Too many kids to have that kind of time for me!!!
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Old 02-22-2007, 08:42 PM   #7 (permalink)
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Nice wright up. Very detailed.
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Old 02-22-2007, 08:44 PM   #8 (permalink)
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DONE...

Wow, I hadn't even looked at it before, Great job!!!!!!!
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2005 TRX450R - Red
HRC Kit (What is left)
12.25:1 Venom Piston
Venom Porting
HotCams Stage 2
DASA Exhaust System
ESR Intake (Ported by Bob McKray)
JD Performance +2 STD Travel Race Arms
2007 OEM Swingarm w/ GT Thunder Rear Re-Valve and MX Link
RPM Dominator II & Anti-Fade
...More pics and specs...

Online Reference Material for the TRX450R
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Old 02-23-2007, 01:10 AM   #9 (permalink)
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Quote:
DONE...

Wow, I hadn't even looked at it before, Great job!!!!!!![/b]
Thanks for the add Gumby...and thanks for the kind words.
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My 2005 Honda TRX450R Site

(^^^TRX450R tech articles, dyno testing, pics, vids, and more)

| '04 Racers Edge, AZ 545cc "Me Gusta!" |
| '05 Wicked Motors, MD 450cc "PunisheR" |
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Old 04-13-2007, 10:37 PM   #10 (permalink)
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wow, that made the valve clearance issue a cake walk. i only have one question...if i take the head off what all changes from your instructions. it would be sweet to see something like that to do a complete top end job....new piston.... :)

thanks again for the great write up! we need just a couple more to complete an entire engine build....then we will all be too smart for our own good.
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Old 04-14-2007, 02:57 AM   #11 (permalink)
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good write up man kudos to you i wouldent be able to do that... hey was their a reference to the decompressor arm and how to adjust that? i didnt see it on their but it is also late for me and my eyes are fuzzy. what are the specs for the decomp arm??
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Old 04-14-2007, 06:23 PM   #12 (permalink)
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For a complete top-end tear down how-to: http://www.rockinhorseweb.com - then click on "TRX HOW-TO GUIDES." - then click the Piston Install.

Use a compression gauge to adjust the decompressor arm.

Helpful threads:
http://www.trx450r.org/forum/index.php?sho...hl=decompressor
http://www.trx450r.org/forum/index.php?sho...hl=decompressor
http://www.trx450r.org/forum/index.php?sho...hl=decompressor
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My 2005 Honda TRX450R Site

(^^^TRX450R tech articles, dyno testing, pics, vids, and more)

| '04 Racers Edge, AZ 545cc "Me Gusta!" |
| '05 Wicked Motors, MD 450cc "PunisheR" |
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Old 04-15-2007, 12:02 PM   #13 (permalink)
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The valve adjustment page doesn't work anymore. Does anyone have it saved somewhere?
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Old 04-15-2007, 07:55 PM   #14 (permalink)
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Should be working now....My university had ISP problems this weekend.

Let me know if it is still not working, and I will rehost the site....I have it saved in it's entirety.
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My 2005 Honda TRX450R Site

(^^^TRX450R tech articles, dyno testing, pics, vids, and more)

| '04 Racers Edge, AZ 545cc "Me Gusta!" |
| '05 Wicked Motors, MD 450cc "PunisheR" |
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Old 11-29-2011, 06:16 PM   #15 (permalink)
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Bumping this for some good info.

I've compiled this into a tech article on my 450r site:

TRX450R Valve Adjustment How-To
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My 2005 Honda TRX450R Site

(^^^TRX450R tech articles, dyno testing, pics, vids, and more)

| '04 Racers Edge, AZ 545cc "Me Gusta!" |
| '05 Wicked Motors, MD 450cc "PunisheR" |
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