Black deposits on pistons

  • SWest
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  • 10 22 2014
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09 Jan 2015 12:18 #658187 by SWest
Replied by SWest on topic Re:Black deposits on pistons
How'd you have them set them up to 80 PSI?
Chop, those blocks should work. Oak?
Steve

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09 Jan 2015 13:02 #658189 by KzChop82
Replied by KzChop82 on topic Re:Black deposits on pistons
Spanish Cedar, as tough as nails

Clinton, NJ
Custom chopper, 1982 KZ 1000 M2 CSR engine, K&N Pod Filters

PICTURES AND GOPRO VIDEOS!! :
www.dropbox.com/sh/jipz3l8nhzr4jge/AABbm...OC3sqlhCSLxH5Fa?dl=0

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  • SWest
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09 Jan 2015 16:16 #658195 by SWest

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09 Jan 2015 16:32 - 09 Jan 2015 16:39 #658197 by KZB2 650
Replied by KZB2 650 on topic Black deposits on pistons
When APE did the head, valve grind, guides, seals, .004 cut, I signed up for the 50 dollar valve spring shimming so they set em up equal and a little less staked I guess.

I talked to Jay before hand too about it and he thought it was a good idea. ( He actually is the one who suggested it). ;)

1978 KZ650 b-2
700cc Wiseco kit 10 to 1.
1980 KZ750 cam, ape springs, stock clutch/ Barnett springs.
Vance and Hines Header w/ comp baffle and Ape pods, Dyna S and green coils, copper wires.
29MM smooth bores W/ 17.5 pilots, 0-6s and 117.5 main
16/42 gearing X ring chain and alum rear JT sprocket.
Last edit: 09 Jan 2015 16:39 by KZB2 650. Reason: add remark.

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  • bluej58
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09 Jan 2015 17:33 #658207 by bluej58
Replied by bluej58 on topic Re:Black deposits on pistons

KzChop82 wrote: Made these this morning.
Should help to slide the cylinders over the Pistons.

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Clever, please take a pic with them in place

JD

78 KZ1000 A2A

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09 Jan 2015 18:58 #658212 by KzChop82
Replied by KzChop82 on topic Re:Black deposits on pistons
Will do.

Clinton, NJ
Custom chopper, 1982 KZ 1000 M2 CSR engine, K&N Pod Filters

PICTURES AND GOPRO VIDEOS!! :
www.dropbox.com/sh/jipz3l8nhzr4jge/AABbm...OC3sqlhCSLxH5Fa?dl=0

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09 Jan 2015 19:01 #658213 by KzChop82
Replied by KzChop82 on topic Re:Black deposits on pistons
So here are the seats all cleaned up from 4 to 1

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Clinton, NJ
Custom chopper, 1982 KZ 1000 M2 CSR engine, K&N Pod Filters

PICTURES AND GOPRO VIDEOS!! :
www.dropbox.com/sh/jipz3l8nhzr4jge/AABbm...OC3sqlhCSLxH5Fa?dl=0
Attachments:

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  • SWest
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09 Jan 2015 21:15 #658223 by SWest
Replied by SWest on topic Re:Black deposits on pistons
What about the valves? Course lapping compound should show or take care of the pitting.

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10 Jan 2015 11:28 #658298 by KzChop82
Replied by KzChop82 on topic Re:Black deposits on pistons
Started the lapping! It's going really well. Getting feel for the noise and vibration from the compound, pickup and move a bit- then continue until the noise and vibration smooths again- then clean and check...

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Clinton, NJ
Custom chopper, 1982 KZ 1000 M2 CSR engine, K&N Pod Filters

PICTURES AND GOPRO VIDEOS!! :
www.dropbox.com/sh/jipz3l8nhzr4jge/AABbm...OC3sqlhCSLxH5Fa?dl=0
Attachments:

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10 Jan 2015 11:29 #658299 by KzChop82
Replied by KzChop82 on topic Re:Black deposits on pistons
Razor is just for pointing to the clean ring- couldn't get a good pic. It's super smooth though. Looking good.

Clinton, NJ
Custom chopper, 1982 KZ 1000 M2 CSR engine, K&N Pod Filters

PICTURES AND GOPRO VIDEOS!! :
www.dropbox.com/sh/jipz3l8nhzr4jge/AABbm...OC3sqlhCSLxH5Fa?dl=0

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10 Jan 2015 17:17 #658330 by KzChop82
Replied by KzChop82 on topic Re:Black deposits on pistons
The snap rings on the Pistons- they seem to be in great shape. The service manual says to replace them every time you remove them- has anyone ever re-used them before?

Clinton, NJ
Custom chopper, 1982 KZ 1000 M2 CSR engine, K&N Pod Filters

PICTURES AND GOPRO VIDEOS!! :
www.dropbox.com/sh/jipz3l8nhzr4jge/AABbm...OC3sqlhCSLxH5Fa?dl=0

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