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Honing master cylinder for rebuild
- mtkawboy
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78-KZ1000/1105, 80 KZ1000, 82 Kawasaki GPZ750, 95 Harley Fatboy, 80 Suzuki GS1100ET, 81 GS1100E parts bike, 83 GS1100SD Katana/1394,78 Yamaha XT500, 81 Yamaha XS650, 78 Yamaha XS650E, 48 Whizzer model J motorbike, 71 Honda CT70H, 71 Honda CT70, 81 IT 250 Yamaha,82 Honda XL100S owned
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- littlemanonbigbike
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1982 1100 Spectre
Various other toys
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- SPARKY47
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- 1980 KZ500 B2
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Pleeeeeease, don't tell me I've got to hone the damm thing as well?:ohmy:
1980 KZ500 B2
Location: Middle England[/b
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- Jeff.Saunders
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- SPARKY47
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- 1980 KZ500 B2
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Then I have the wrong part:huh:
The bloody thing in front of me has THE MOST delicate lip imaginable.I'd have thought the bore should need to be mirror smooth to achieve a seal?:huh:
No picture I'm afraid,Son in Law,at my request, turned the flash off.
Now it records video:angry: :laugh:
1980 KZ500 B2
Location: Middle England[/b
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- fixer5000
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1978 kz650b pretty much stock
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massachusetts
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- mtkawboy
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78-KZ1000/1105, 80 KZ1000, 82 Kawasaki GPZ750, 95 Harley Fatboy, 80 Suzuki GS1100ET, 81 GS1100E parts bike, 83 GS1100SD Katana/1394,78 Yamaha XT500, 81 Yamaha XS650, 78 Yamaha XS650E, 48 Whizzer model J motorbike, 71 Honda CT70H, 71 Honda CT70, 81 IT 250 Yamaha,82 Honda XL100S owned
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- SPARKY47
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- 1980 KZ500 B2
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You want a light honed look, not shiny. Do not use mineral spirits, use brake fluid to hone and alcohol to clean it out. Then coat the rubber seals with brake fluid and reassymble. The scoth brite sounds good to me, even have some in stock, thanks guys
Thanks for that,this has surprised me as I'd assumed a mirror finish is required.
I have to ask though, wouldn't the "hilltops" of the hone "drag" and eventually tear the lip? Intuitively, it would seem to be the case.:blink:
Wish I'd studied hydraulics now:)
Also,wouldn't the channels created by honing provide a path for fluid to leak past the lip?
Just a thought,interested to hear opinions.
1980 KZ500 B2
Location: Middle England[/b
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- Sleepy
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It's the same with engine piston rings - the bore is not smooth
kz650 gs750 cb750
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- SPARKY47
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- 1980 KZ500 B2
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The small grooves cut when honing allow a VERY thin trace of fluid to help lubricate the seals.
It's the same with engine piston rings - the bore is not smooth
Thanks Sleepy,that explains it:)
God,the info on this site is priceless.
1980 KZ500 B2
Location: Middle England[/b
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