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Thread: 883 to 1200 Ripper Kit
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11-21-2013 #21
883 p/n 32466-98
1200 p/n 32465-98
VOES sw. both 26558-94
Sent with :-)
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11-30-2013 #22Junior Member
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- May 2012
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Valve Lapping
So Ive been waiting forever for my cylinder kit to come in. I guess they sent it to california accidentally.
Anyway I got the heads cleaned up and lapped the valves tonight. The exhaust valves and some spots on the intake seat have some pitting. Im not sure if this is severe or acceptable. I never noticed any weird power or compression issues while running it this past season. The combustion chamber did have a fair amount of carbon build up though.
I lapped each valve/seat for a total of probably 30 sec to 1 min lifting and tapping periodically.
Any thoughts?
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11-30-2013 #23Senior Member
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Never pulled apart a motorcycle head to lap my own valves but one trick I learned that made the job a lot faster and easier for cars was to use a cordless drill attached to the valve stems. I don't know how severe the pitting is since I can't really tell on my iPhone so I can't say.
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11-30-2013 #24Senior Member
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Those pits are unacceptable. You need to lap for a little longer or the valve seats need to be cut and the valves ground. The whole purpose of lapping a valve is for a completely clean smooth seal. Do it right while it is apart. If you send this to a machine shop you should also price out a larger intake valve job.
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11-30-2013 #25Junior Member
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- May 2012
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Wow that sucks. What affect does this type of pitting have? The bike was running like a cherry for the last 15000 miles. . .
Im gonna try lapping them a bit longer. If I sent the heads to a machine shop I think my wife will cut my balls off in my sleep (aka Im broke from buying diapers)Last edited by wompin; 11-30-2013 at 11:21 AM.
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11-30-2013 #26Senior Member
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I had a set of heads done, 3 angled and everything and it was pretty cheap actually. I'd just lap them longer if I were you.
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11-30-2013 #27Junior Member
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- May 2012
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mmmmkay
What is pretty cheap if you dont mind me askin? Im a pretty cheap guy so I might be able to swing it.
In the mean time Im gonna lap em a bit and try not to eat away the whole face. Updates in an hour or so...
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11-30-2013 #28Senior Member
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Yup, lap your balls off! Ha, either lap your balls off or send heads to a machine shop and your wife will cut your balls off. End result either way is ball-less Wompin
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11-30-2013 #29Senior Member
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I think it was like 100 bucks here in nc.
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11-30-2013 #30Senior Member
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11-30-2013 #31Junior Member
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- May 2012
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I worked on the valves a little more but the pitting still shows and I dont want to make the seat contact area too wide.
I see a couple options:
- reasseble and pour carb cleaner in, check for leaks, if none im "good" ($0)
- buy new exhaust valves, reassemble, go (approx $40 - $80)
- have valves n seats re-cut and mated ($100 +/-)
If I buy new valves, do I need the seats recut anyway or can I just check for leaks or lap a bit and check for leaks?
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11-30-2013 #32Junior Member
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11-30-2013 #33Junior Member
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I should be getting the jugs, pistons, and valves next week, so Ill be following up next weekend probably. That is unless they ship my stuff to california again.
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