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millertm937
Weekend Warrior
Joined: Jan 29, 2010
Posts: 31
Location: Dearborn, Michigan
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 Posted: Tue Apr 27, 2010 10:37 am Post subject: 3 piece oil ring |
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| I know the top two piston rings have markings which need to be facing up when installing them. How about the three piece oil ring? I didn't see any markings on the old ones so does it matter which way those ones go?
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holysmokes
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Joined: Feb 26, 2007
Posts: 159
Location: nova scotia
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| Posted: Tue Apr 27, 2010 10:54 am Post subject: |
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no
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KirkN
Gear Head
Joined: Feb 23, 2007
Posts: 1045
Location: Orlando, FL
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| Posted: Tue Apr 27, 2010 2:03 pm Post subject: |
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No, but my understanding is that joint orientation matters:
Imagine a clock face looking down on piston from above - 12 o'clock is towards exhaust. The center piece joint should be at 6 o'clock; top (or bottom) piece joint should be at 2 o'clock; bottom (or top) piece joint should be at 10 o'clock.
Good luck with it.
Kirk
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Bikegeezer
Gear Head
Joined: Dec 26, 2007
Posts: 1283
Location: Scottsdale, Arizona
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| Posted: Tue Apr 27, 2010 3:37 pm Post subject: |
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| KirkN wrote: | No, but my understanding is that joint orientation matters:
Imagine a clock face looking down on piston from above - 12 o'clock is towards exhaust. The center piece joint should be at 6 o'clock; top (or bottom) piece joint should be at 2 o'clock; bottom (or top) piece joint should be at 10 o'clock.
Good luck with it.
Kirk |
That's exactly how I used to do it till I read Honda's instructions to stagger the upper and lower oil ring gaps an inch either side of the scraper's gap. I really don't think it matters either way, as long as neither of the rail gaps are lined up with the scraper gap or each other.
Stu
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dorT500
Gear Head
Joined: Jul 10, 2008
Posts: 1639
Location: Galveston County, Tx.
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| Posted: Tue Apr 27, 2010 4:10 pm Post subject: |
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_________________
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GONE.......WITH A PUFF OF SMOKE AND A BLUR OF SPOKE........
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Bikegeezer
Gear Head
Joined: Dec 26, 2007
Posts: 1283
Location: Scottsdale, Arizona
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| Posted: Tue Apr 27, 2010 8:33 pm Post subject: |
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Yeah, like that.
S
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millertm937
Weekend Warrior
Joined: Jan 29, 2010
Posts: 31
Location: Dearborn, Michigan
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| Posted: Tue Apr 27, 2010 8:58 pm Post subject: |
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great thanks for the info guys.
I don't know if i should ask this but what is the general opinion on using gasket sealer or installing them dry?
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dorT500
Gear Head
Joined: Jul 10, 2008
Posts: 1639
Location: Galveston County, Tx.
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| Posted: Tue Apr 27, 2010 9:20 pm Post subject: |
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 ......oohhhh....my headache just came back.....don't do anything else until the nightshift gets here .
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dorT500
Gear Head
Joined: Jul 10, 2008
Posts: 1639
Location: Galveston County, Tx.
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| Posted: Wed Apr 28, 2010 5:46 am Post subject: |
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Good Morning,
http://www.dansmc.com/pistons.htm
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Bikegeezer
Gear Head
Joined: Dec 26, 2007
Posts: 1283
Location: Scottsdale, Arizona
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| Posted: Thu Apr 29, 2010 6:06 am Post subject: |
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| millertm937 wrote: | great thanks for the info guys.
I don't know if i should ask this but what is the general opinion on using gasket sealer or installing them dry? |
Depends on the bike model and gasket you're referring to. Head gasket? Clean, smooth, and dry. Same for the others if it's a 4 cylinder. 350 twin requires sealer on the gaskets either side of the breather plate.
Stu
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millertm937
Weekend Warrior
Joined: Jan 29, 2010
Posts: 31
Location: Dearborn, Michigan
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| Posted: Thu Apr 29, 2010 7:33 am Post subject: |
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| its a cb175. How about the gaskets for the left crankcase cover, the cylinder base gasket, the cylinder head cover gasket, and left and right round cylinder head side covers? So basically the whole top end.
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KirkN
Gear Head
Joined: Feb 23, 2007
Posts: 1045
Location: Orlando, FL
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| Posted: Thu Apr 29, 2010 9:24 am Post subject: |
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My opinion: no gasket sealer. Install 'em clean and dry, torque in a criss-cross pattern in multiple increments up to specified torque.
But, everyone has an opinion....
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