[capt1014]

Does it need to be done on a fuel injected bike?

[Tricky Mike]

yep...
fuel delivery has nothing to do with it... it's got valves (unless it's a 2-smoke).

[capt1014]

Is there a specific time when it should be done? i.e. mileage?

[GixerJockey]

Originally Posted by capt1014

Is there a specific time when it should be done? i.e. mileage?

R.T.F.M.

[Tricky Mike]

depends on your bike and the adjustment method. I adjust the valves on the KTM all the time... Street bikes with "shim and bucket" need much less attention... 15K? I had 3x that on a KLR with no need for adjustment.

[snowborder]

depends on bike / manf. for a 929 it is stated in the manual, but it is in the 10,000 to 20,000 range I believe.

[BostonSVkid]

Every bike is different. For example an SV get CHECKED first at 15k miles where as a Duc Monster S2R 800 is at 6 I believe.

Just because you check them at those intervals doesnt mean they will need to be adjusted its just good to check them because over time they get tight and if they get too tight you will begin to damage the valves.

Valve Clearances are also known as tappet clearances.

[capt1014]

Ok well I bought it from a dealership when it had 4k on it, I am going to assume that it might be time for them to be adjusted, bike has 16.5k on it now.

[Tricky Mike]

I'd check them, but I wouldn't be surprised to find them all within spec. Just make sure the motor is COLD when you check.

[BostonSVkid]

What does your manual say???

[capt1014]

If the valves needed adjusting would there be some type of performance issue or lack of responsiveness in the trottle?

[capt1014]

Originally Posted by BostonSVkid

What does your manual say???

Haven't looked.

Reason I ask is because I'm trying to sell it and 2 people have asked about the valve adjustment.

I'm going to assume that they were checked prior to me buying it rom the dealership and they were fine.

[RacerXnh10]

I would not assume that. Its a pretty time consuming job, not like just washing it to make it look pretty.

[RacerXnh10]

Originally Posted by GixerJockey

R.T.F.M.

Alright, so I got Read The Manual, whats the F?

[burnham]

Originally Posted by capt1014

If the valves needed adjusting would there be some type of performance issue or lack of responsiveness in the trottle?

There could be a loss of performance, and when they're bad it can sound.....bad.

Originally Posted by capt1014

Haven't looked.

Reason I ask is because I'm trying to sell it and 2 people have asked about the valve adjustment.

I'm going to assume that they were checked prior to me buying it rom the dealership and they were fine.

I highly doubt anyone would have checked the valves on a Honda at less than 12k mi.

[Honclfibr]

Originally Posted by capt1014

If the valves needed adjusting would there be some type of performance issue or lack of responsiveness in the trottle?

If they get too tight you can end up with a burnt valve seat, or catastrophic engine failure due to the valve hittting the piston.

Valves tend to tighten up in their early lives so it's best to adjust them towards the loose end of spec.

[GixerJockey]

Originally Posted by capt1014

Haven't looked.

Reason I ask is because I'm trying to sell it and 2 people have asked about the valve adjustment.

I'm going to assume that they were checked prior to me buying it rom the dealership and they were fine.

The dealer did NOT check the valves at 4000 miles. Most modern I-4s call for a valve check at 12-15k miles or so. There was not reason for anyone to check them at 4000 miles. Don't be surprised if they are well within spec at the current 16.5k...

Originally Posted by RacerXnh10

Alright, so I got Read The Manual, whats the F?

read the FUCKING manual!

[97BladeRider]

I had the valves on my 900RR checked at just over 20K by Mr. Kates and they were all fine. 2 cylinders were dead on, one was on the higher side of spec and the other on the lower side of spec.

If you're a member of RRZone.com, they have downloadable manuals and microfiche for your bike in the downloads section. (same for 96-03 FireBlades [900RR, 929RR, and 954RR])

[capt1014]

Originally Posted by 97BladeRider

I had the valves on my 900RR checked at just over 20K by Mr. Kates and they were all fine. 2 cylinders were dead on, one was on the higher side of spec and the other on the lower side of spec.

If you're a member of RRZone.com, they have downloadable manuals and microfiche for your bike in the downloads section. (same for 96-03 FireBlades [900RR, 929RR, and 954RR])

Thanks Chuck, I have the manual. I'm not too worried about it.

[Kham]

Originally Posted by capt1014

If the valves needed adjusting would there be some type of performance issue or lack of responsiveness in the trottle?

when did you last change the plugs? that could be performance isssue.

[capt1014]

Originally Posted by Kham

when did you last change the plugs? that could be performance isssue.

I have no performance issue was just curious.

[GixerJockey]

Originally Posted by Kham

when did you last change the plugs? that could be performance isssue.

Well, that's a brilliant diagnosis for a problem that doesn't exist...

[RandyO]

Originally Posted by trickphoto

yep...
fuel delivery has nothing to do with it... it's got valves (unless it's a 2-smoke).

or hydraulic lifters like a harley

[Tricky Mike]

Originally Posted by RandyO

or hydraulic lifters like a harley

Or a Wankel

[Kham]

Originally Posted by GixerJockey

Well, that's a brilliant diagnosis for a problem that doesn't exist...

i didn't say it was brilliant. he mention performance issue. i didn't know. i do know that when i last change my plugs, it feels like a new bike.