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bench shimming?? APE
- MkII
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New valves, guides, seals, std. valve job should def. help bump comp. back up. Waiting on jugs back from them bored for 1075, going to run stock cams and carbs for now with their 10.25:1 pistons.
1977A1 current project: 1075, Web cams, VM29's Cavanaugh massaged head, Z1 crank
1979A3A Parked in 1986 left in shed
Phx,Az
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- APE Jay
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How did you like the way it came out?
Jay
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- Kiwiz
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Being a complete moron I couldnt understand how you could rotate the cam against the spring tension until someone told me: DOOOH!
Hold the valve into the seat with your fingers rotate cam until appropriate lobe is away 180deg. away from shim and measure. Once shim size sorted refit valve gear as normal hopefully not mixing up shims.
Highly recommended if valve seats have been reground. Nothing worse that putting head on to find no shim is small enough
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- pstrbrc
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- '81 GPz 1100 project
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\'81 GPz 1100 project
Elkhart, Kansas USA
\"Man does not control his own fate. The women in his life do that for him.\" Groucho Marx
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- Kiwiz
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Based on my experience this works pretty well. When I refiited my J head 6 months agon I checked once it was fitted to the bike after having undertaken this procees. Only one shim needed to be swapped further
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- Duck
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- e vica na i sau na ga
Process follows...
Make sure everything is clean!
Stick a bucket and shim in a hole.
Stick the valve in the other end.
Drop the camshaft in.
Makse sure valve and camshaft are seated.
Measure the clearance.
WRITE IT DOWN.
Move on to the next bucket-valve
Post edited by: Duck, at: 2007/06/16 20:47
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- KZQ
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- Walking Behind the Corn May Not Be All That!
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atp,
Did you search first?
KZCSI
www.KZ1300.com
Riders:
1968 BSA 441 Shooting Star, 1970 BSA 650 Lightning, 1974 W3, 1976 KZ900, 1979 KZ750 Twin, 1979 KZ750 Twin Trike, 1981 KZ1300, 1982 KZ1100 Spectre, 2000 Valkyrie, 2009 Yamaha Roadliner S. 1983 GL 1100
Projects:
1985 ZN1300
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- nads.com
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- MkII
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1977A1 current project: 1075, Web cams, VM29's Cavanaugh massaged head, Z1 crank
1979A3A Parked in 1986 left in shed
Phx,Az
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- themachine
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i want to get new/bigger seats, valves, and guides next winter :B
82 kawaski csr1000 Evolved into a streetfighter.
I love Speed! Hot Nasty Badass Speed!!!
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- APE Jay
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I bench shimmed the head today and need to call Jeff to obtain more 2.80 and 2.90 shims, otherwise it looks to be in spec once the proper shims are in. only slight gripe is they(APE) electric stencil what looks to be a job# on the head on a highly visable fin by the plug location, I wished they would have found a less obvious place to stencil this # on or use some other method. little gripe otherwise looks fine.
Training Mike to writye the numbers on the bottom where they won't be seen when the engine is assembled.
You are right about it being a work order number. Every part we get in the shop gets a number as soon as we unpack it. We never have to pick up a block, head, or crank, etc. and try and guess who it belongs to. This way we never mix up customers parts.
Your block and pistons are on the way. ( I hope the number is on the bottom:whistle:
Jay
Post edited by: APE Jay, at: 2007/06/21 23:56
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- themachine
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so, does APE Jay have any ol kz's in his stable at home?MkII wrote:
I bench shimmed the head today and need to call Jeff to obtain more 2.80 and 2.90 shims, otherwise it looks to be in spec once the proper shims are in. only slight gripe is they(APE) electric stencil what looks to be a job# on the head on a highly visable fin by the plug location, I wished they would have found a less obvious place to stencil this # on or use some other method. little gripe otherwise looks fine.
Training Mike to writye the numbers on the bottom where they won't be seen when the engine is assembled.
You are right about it being a work order number. Every part we get in the shop gets a number as soon as we unpack it. We never have to pick up a block, head, or crank, etc. and try and guess who it belongs to. This way we never mix up customers parts.
Your block and pistons are on the way. ( I hope the number is on the bottom:whistle:
Jay<br><br>Post edited by: APE Jay, at: 2007/06/21 23:56
82 kawaski csr1000 Evolved into a streetfighter.
I love Speed! Hot Nasty Badass Speed!!!
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