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redrocket190
 Post subject: Wiseco Piston and Rings
PostPosted: Thu Nov 09, 2006 10:34 pm 
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Joined: Fri Feb 27, 2004 10:20 pm
Posts: 906
Location: San Clemente, CA
Through bad planning I have ended up with a mis-matched set of rings and cylinder for my 1979 CR250R. The 2756CD rings go with a sleeved cylinder and the 2756CDM rings go with the stock chrome cylinder. Anyone know the outcome if you use the 2756CD rings on the chrome? This would only be for one 45 min race...

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Michael Stiles
1979 Honda CR250R Elsinore | 2006 Husqvarna SM510R | 2007 Service Honda CR500R-AF
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behindbars
 Post subject:
PostPosted: Fri Nov 10, 2006 10:56 am 
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Joined: Sat Jul 23, 2005 9:06 pm
Posts: 29
Location: Red Bud, MI
Hi Mike. According to my Wiseco book you can not use CD rings with a chrome bore. They CAPITALIZED the warning, so I would take them for their word.
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redrocket190
 Post subject:
PostPosted: Fri Nov 10, 2006 11:12 am 
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Joined: Fri Feb 27, 2004 10:20 pm
Posts: 906
Location: San Clemente, CA
Thanks! I had assumed the worst and my post was a bit of a hail Mary. I will miss riding the Honda in the Bomber class at the Elsinore GP, but I just learned I can ride a CR500R in the Open class. Life's not so bad after all...

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Michael Stiles
1979 Honda CR250R Elsinore | 2006 Husqvarna SM510R | 2007 Service Honda CR500R-AF
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Sam427
 Post subject:
PostPosted: Sat Nov 11, 2006 2:52 pm 
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Joined: Tue May 23, 2006 4:40 pm
Posts: 40
Location: Snellvile, Ga.
Not a good idea, the CD ring is chrome, chrome on chrome will seize!

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Sam Alexander

1974 Honda CR250M
1976 Honda CR250
1974 Maico MC440
1974 Maico MC250
1977 Maico AW400
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redrocket190
 Post subject:
PostPosted: Sun Nov 12, 2006 6:24 pm 
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Joined: Fri Feb 27, 2004 10:20 pm
Posts: 906
Location: San Clemente, CA
Again, thanks Sam! I was very disappointed not to race the Bomber class at the Elsinore GP, but there were several other "red rockets" entered, including the race winner! They were taking photos of a pristine '78 CR250R (#217) and then the guy went out and raced it. Bravo. For my part I borrowed a '99 CR500R which turned out to be the experience of a life time....even if went backwards simply trying to hold on to it.

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Michael Stiles
1979 Honda CR250R Elsinore | 2006 Husqvarna SM510R | 2007 Service Honda CR500R-AF
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