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Board index » Questions & Answers » Honda CR, MR & MT

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spedboat
 Post subject: Cylinder interchange
PostPosted: Tue Oct 11, 2005 6:53 pm 
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Joined: Sun Apr 10, 2005 7:32 pm
Posts: 46
Is it possible to put a 1977 MR 175 cylinder and piston on a 1977 CR 125?

Thanks,

Dan
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frohrs
 Post subject: 77 mr175 cylinder
PostPosted: Tue Oct 11, 2005 8:23 pm 
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Joined: Thu Jul 15, 2004 3:58 pm
Posts: 126
Location: CA
The porting may not be the same. Compare the two cylinders but I bet they are not the same. I believe the piston is larger too.
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Elsinorestuff
 Post subject:
PostPosted: Wed Oct 12, 2005 11:16 pm 
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Joined: Fri Apr 15, 2005 9:49 pm
Posts: 86
Won't work. MR175 mounts the cylinder with long studs from the cases all the way thru the cylinder and head. CR125 mounts with standard shorts studs just to the cylinder. Unless you pulled the long studs out of a MR175 set of cases and put them in the CR125 cases it would be undoable and impractical.
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