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Old 09-25-2013, 07:04 AM   #31
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Joined: May 2005
Location: Norway
Oddometer: 375
Originally Posted by georgesgiralt View Post
When they planned the monoshock bikes, BMW had a will to go from 650 up to 1000 cc. And then then thought that keeping two different engines in the production line was too costly. So they used the 247 base (with some little improvements) to produce all cubic volume needed.
This is why the R65 has lost what was it's strength and attractivity : stamina, and smallness !
The R65 pre 85 is a wonderful machine, apt to compete with the 1000 even if less powerful, the last models are real dogs.
And you'd better buy an R80...

All the R65 share the same crank so they all have short stroke. This means that the housing are different on R65 and R80/100.

Some R65s used a 308 camshaft, but this is not the same camshaft used for R80/100.
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