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Author Topic: Symba engine type?  (Read 251 times)
cplschnapps
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« on: July 02, 2010, 07:58:29 PM »
OK, this may be a silly question. I'm no mechanic but do understand just a little about different engine types. Is the Symba engine an overhead cam or pushrod type?. I know the Honda CM91 (Cub 90) had an 89cc aluminum block OHC engine. It looks a little different from the Symba engine. Looking at the Symba parts book, I don't see any push listed, but I can't tell if the it's supposed to be an overhead cam or not. Any smart gearheads know?
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Morgan
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« Reply #1 on: July 03, 2010, 08:51:05 AM »
There are no pushrods. The valve rockers are actuated by the camshaft directly.

   -Morgan
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phipsd
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« Reply #2 on: September 04, 2010, 10:33:31 PM »
It's actually a good question. There was a time when early Cubs were a pushrod motor. My 67 Cub CM 90 was a pushrod OHV motor but it was one of the last.

Soon after they went OHC and gained one whole HP to 7.5.
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