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foreman top end problem after rebuild

 
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foreman top end problem after rebuild - 8/25/2008 11:15:33 PM   
jason holt

 

Posts: 189
Joined: 7/19/2006
From: grimshaw alberta
Status: offline 		hey boys i just rebuilt my 450 foreman's top end and i ran it yesterday after reseting a valve that was loose and it ran fine then i notice there was an oil leak on the head so i fixed that and put it back together and it runs fine but its getting really hot any help is much appreciated please. and could someone give me the specs and stuff on how to reset the valves if that could be the problem

_____________________________

1999 honda foreman 450s
27' super swamper vampires
K&N Air filter
custom built 2' lift
Utility hmf
custom built 1.5' snorkel
dyno jet kit

05 Grizzly 660
26" swamp lites
Post #: 1
RE: foreman top end problem after rebuild - 8/26/2008 12:08:52 AM   
jason holt

 

Posts: 189
Joined: 7/19/2006
From: grimshaw alberta
Status: offline 		iforgot to mension it was bored out too

_____________________________

1999 honda foreman 450s
27' super swamper vampires
K&N Air filter
custom built 2' lift
Utility hmf
custom built 1.5' snorkel
dyno jet kit

05 Grizzly 660
26" swamp lites

(in reply to jason holt)
Post #: 2
RE: foreman top end problem after rebuild - 8/26/2008 12:54:34 AM   
cavhooah


Posts: 143
Joined: 3/30/2008
Status: offline 		runnin lean, richen the mixture

_____________________________

Perhaps.....one day ill be found in a ditch. BUT! Around me will be lots of spent brass!

(in reply to jason holt)
Post #: 3
RE: foreman top end problem after rebuild - 8/26/2008 9:56:59 AM   
Latalski


Posts: 83
Joined: 3/10/2008
From: Milan,Georgia
Status: offline 		Not a complete expert here,but my 04 foreman run hot kinda fast as well,my oil cooler/radiator like was clogged up with mud,when i noticed i emediantly took it off and cleaned it out ASAP,be carefull the things will bend kinda easy,shortly after rode it for bout a hour without it ever burning my leg,just a hint of might be wut it is.

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02 Honda Foreman 450 ES(500 Motor,rebuilt)
27" Mud ****es
2" Lift Kit-Custom-In progress

04 Honda Foreman S
800Miles
140Hours
2" Lift Kit
2,500Lb Winch
28" Mud'Zillaz
HMF Muffler

(in reply to jason holt)
Post #: 4
RE: foreman top end problem after rebuild - 8/26/2008 10:38:30 AM   
cavhooah


Posts: 143
Joined: 3/30/2008
Status: offline 		I fugured since he increased the piston volume, he prolly didnt adjust his carb. More CC's needs more fuel, or else **** be lean.



_____________________________

Perhaps.....one day ill be found in a ditch. BUT! Around me will be lots of spent brass!

(in reply to Latalski)
Post #: 5
RE: foreman top end problem after rebuild - 8/26/2008 10:56:22 AM   
toodeep


Posts: 996
Joined: 7/27/2007
From: south dakota
Status: offline 		http://www.highlifter.com/forum/Valve_adjustment_procedures_for_all_Honda_ATV%27s/m_2523351/tm.htm for the valves


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1995 TRX300FW - lots of goodies
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(in reply to cavhooah)
Post #: 6
RE: foreman top end problem after rebuild - 8/26/2008 2:06:05 PM   
jason holt

 

Posts: 189
Joined: 7/19/2006
From: grimshaw alberta
Status: offline 		k when i give it gas and once it is up to rev and i let go it stays reving for a sec is this because its lean

_____________________________

1999 honda foreman 450s
27' super swamper vampires
K&N Air filter
custom built 2' lift
Utility hmf
custom built 1.5' snorkel
dyno jet kit

05 Grizzly 660
26" swamp lites

(in reply to toodeep)
Post #: 7
RE: foreman top end problem after rebuild - 8/26/2008 2:16:07 PM   
jason holt

 

Posts: 189
Joined: 7/19/2006
From: grimshaw alberta
Status: offline 		oh and it is the same bore as it was before just got another sleeve and bored it

_____________________________

1999 honda foreman 450s
27' super swamper vampires
K&N Air filter
custom built 2' lift
Utility hmf
custom built 1.5' snorkel
dyno jet kit

05 Grizzly 660
26" swamp lites

(in reply to jason holt)
Post #: 8
RE: foreman top end problem after rebuild - 8/26/2008 2:36:18 PM   
foreman2000


Posts: 1415
Joined: 9/16/2006
From: mcdonough ga V.F.D.
Status: offline 		CHECK OIL COOLER AND FUEL MIX

_____________________________

2000 honda foreman es
custom snorkle
hl lift kit & springs
27 x 9 laws
hl clutch kit
ebc primary clutches
hmf pipe & uni filter
dynojet 126 and needle
hl spool locker
hl un locker
3000 lb warn
reverse button mod
AND ONE EVIL MONKEY!

*new* 2006 yamaha rhino
upgraded to lcd display
yamaha roof and windsheild
alum stick stops and skids
brp cdi

(in reply to jason holt)
Post #: 9
RE: foreman top end problem after rebuild - 8/26/2008 2:55:39 PM   
jason holt

 

Posts: 189
Joined: 7/19/2006
From: grimshaw alberta
Status: offline 		fuel air mix is at 2 and 3/4 out but will check oil cooler but could it be gettin hot from the vavle

_____________________________

1999 honda foreman 450s
27' super swamper vampires
K&N Air filter
custom built 2' lift
Utility hmf
custom built 1.5' snorkel
dyno jet kit

05 Grizzly 660
26" swamp lites

(in reply to foreman2000)
Post #: 10
RE: foreman top end problem after rebuild - 8/26/2008 3:40:39 PM   
foreman2000


Posts: 1415
Joined: 9/16/2006
From: mcdonough ga V.F.D.
Status: offline 		I DONT THINK SO WHAT IS THE JET SIZE ,WHAT COLOR IS THE PLUG

_____________________________

2000 honda foreman es
custom snorkle
hl lift kit & springs
27 x 9 laws
hl clutch kit
ebc primary clutches
hmf pipe & uni filter
dynojet 126 and needle
hl spool locker
hl un locker
3000 lb warn
reverse button mod
AND ONE EVIL MONKEY!

*new* 2006 yamaha rhino
upgraded to lcd display
yamaha roof and windsheild
alum stick stops and skids
brp cdi

(in reply to jason holt)
Post #: 11
RE: foreman top end problem after rebuild - 8/26/2008 4:35:07 PM   
Swamp_Monster

 

Posts: 6519
Status: offline 		Check for a loose or torn intake boot.  With taking the top end off, you might have gotten a hole somewhere that air could be sneaking in from and leaning out the mixture.

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Mud Racers!
Click here to check out www.XtremeMudRacing.com
A place for mud racers, by mud racers!

(in reply to foreman2000)
Post #: 12
RE: foreman top end problem after rebuild - 8/26/2008 10:32:15 PM   
cavhooah


Posts: 143
Joined: 3/30/2008
Status: offline 		Yep, hole in the intake boot would cause a lean condition too. Also.....Valves could cause the prob. Be sure you didnt get your exhaust valve to tight. Once the engine warms up it migh not be seating fully and letting some hot gases stick around to long.

_____________________________

Perhaps.....one day ill be found in a ditch. BUT! Around me will be lots of spent brass!

(in reply to Swamp_Monster)
Post #: 13
RE: foreman top end problem after rebuild - 8/27/2008 9:58:21 PM   
jason holt

 

Posts: 189
Joined: 7/19/2006
From: grimshaw alberta
Status: offline 		k plug looks a little burnt any more suggestions is appreciated muchly

_____________________________

1999 honda foreman 450s
27' super swamper vampires
K&N Air filter
custom built 2' lift
Utility hmf
custom built 1.5' snorkel
dyno jet kit

05 Grizzly 660
26" swamp lites

(in reply to cavhooah)
Post #: 14
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