valve seal,


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valve seal,

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valve seal, - 11/19/2008 6:09:33 PM

bluegrizz450

Posts: 171
Joined: 8/4/2008
From: florence ms
Status: offline

07 450 grizzly ok had motor work done on it it smokes alil only for a bout 30 seconds after it starts, then it stops some one toldme it was that they didnt redo the seals on the valves? how hard is it to check and fix

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Post #: 1

RE: valve seal, - 11/20/2008 3:22:30 PM

contentsunderpressur

Posts: 517
Joined: 9/4/2008
Status: offline

You'll need to take the valve cover and rocker arms off. Then use something like a compression tester to hook to a air compressor and fill the cylinder up with a constant feed of air through the spark plug hole. Then use and valve spring compressor to compress the valve springs and take the keepers out. Remove the springs and pop the seals off with a screw driver and replace.

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(in reply to bluegrizz450)

Post #: 2

RE: valve seal, - 11/20/2008 10:11:00 PM

sscard

Posts: 1943
Joined: 1/30/2008
From: Cedar Hill, TX
Status: offline

just pull the head, if you drop a valve which you most likely will do your gonna have to pull it anyway
its a cheap job but time consuming, ive never done a 450 but have the 660s, it would take me about 2 hours to get it done
remove valve cover, then rockers then cam, make sure not to drop the cam chain, then head
make sure and order a new head gasket as well

you need to inspect the bottom of the head to see if in fact you have a leaking valve seal

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(in reply to contentsunderpressur)

Post #: 3

RE: valve seal, - 11/21/2008 2:32:58 AM

bluegrizz450

Posts: 171
Joined: 8/4/2008
From: florence ms
Status: offline

what would it look like if it were leaking?

_____________________________

450 blue grizz
27in mudlites
bored .50 over
2in hl lift
1.5 spacers
fender flares
2500lbs warn
HMF
jetted
K&N

(in reply to sscard)

Post #: 4

RE: valve seal, - 11/21/2008 4:49:41 AM

Honda Mechanic

Posts: 1522
Joined: 4/7/2006
From: Canada
Status: offline

The valve & guide should be measured ..

(in reply to bluegrizz450)

Post #: 5

RE: valve seal, - 11/21/2008 6:55:38 AM

bluegrizz450

Posts: 171
Joined: 8/4/2008
From: florence ms
Status: offline

k how do u measure them

_____________________________

450 blue grizz
27in mudlites
bored .50 over
2in hl lift
1.5 spacers
fender flares
2500lbs warn
HMF
jetted
K&N

(in reply to Honda Mechanic)

Post #: 6