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PostPosted: Sat May 11, 2013 12:58 pm 
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Joined: Tue Mar 12, 2013 4:48 pm
Posts: 47
Can you buy a rod kit for a 1976 cr250m anywhere?

Thanks...


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PostPosted: Tue May 14, 2013 2:00 pm 
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Joined: Tue Mar 12, 2013 4:48 pm
Posts: 47
Can anyone help with this?

What options do I have if I need an new rod for a 76 cr250m?

Thanks


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PostPosted: Wed May 15, 2013 11:27 am 
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Joined: Sat Dec 23, 2006 10:00 pm
Posts: 313
Location: CA
Quote:
Can you buy a rod kit for a 1976 cr250m anywhere?

I bought an OE Honda rod and big end bearing for my 73 a while back.
Got both on Ebay. Unlike the more modern bikes, Honda offered the rod
and bearing for crank rebuilds.

I don't know if anyone else still makes a direct fit replacement rod if you
can't find the Honda part.

An option might be to have the crank modified to accept a different rod.
I did this for my '78 CR100 build. I had the crankshaft modified to accept
a late model CR125 rod to eliminate the weak stock rod. The engine was
going to be spinning huge RPM so it could still make power with less CCs.
ProX, Hot Rods and Wiseco all make replacement rods for the later model
CRs. If the rod lengths are the same as it was with my conversion, all you'll
need is the crank pin replaced with a larger diameter pin. Crank Works can
do this modification.

dogger

_________________
1973 CR250M
1979 CR250R
1993 CR250R
2008 CR500R
2009 CR250R


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PostPosted: Thu May 16, 2013 8:00 am 
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Joined: Tue Mar 12, 2013 4:48 pm
Posts: 47
dogger315 wrote:
Quote:
Can you buy a rod kit for a 1976 cr250m anywhere?

I bought an OE Honda rod and big end bearing for my 73 a while back.
Got both on Ebay. Unlike the more modern bikes, Honda offered the rod
and bearing for crank rebuilds.

I don't know if anyone else still makes a direct fit replacement rod if you
can't find the Honda part.

An option might be to have the crank modified to accept a different rod.
I did this for my '78 CR100 build. I had the crankshaft modified to accept
a late model CR125 rod to eliminate the weak stock rod. The engine was
going to be spinning huge RPM so it could still make power with less CCs.
ProX, Hot Rods and Wiseco all make replacement rods for the later model
CRs. If the rod lengths are the same as it was with my conversion, all you'll
need is the crank pin replaced with a larger diameter pin. Crank Works can
do this modification.

dogger


Thanks dogger for the update, I have contacted Crank Works and am waiting for an update.


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PostPosted: Thu May 16, 2013 2:08 pm 
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Joined: Tue Mar 12, 2013 4:48 pm
Posts: 47
I have spent a fair amount of time on the net and on the phone trying to locate a connecting rod for my 76 cr250m. They are not made anymore and there does not appear to be an aftermarket rod available that is a direct fit replacement without modification. So, essentially I have been trying to locate one that is still sitting on someones shelf.

I found one from a company (CMS) in Europe for 77 Euro including shipping, this is about 100 US dollars.

If your interested they have two left.



http://www.cmsnl.com/products/13201-ka4 ... 201381300/


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