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1965 Honda CP77 — Ulsan Metro City, Rep. Korea
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Stupid question re crankshaft...

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rzgkane
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Joined: Sun Feb 12, 2012 11:12 pm
Location: Huntington Beach, CA

Stupid question re crankshaft...

Post by rzgkane » Sat Feb 25, 2012 12:24 am

Ok, so I took apart a 305 engine today and have a question. What is the purpose of the second set of toothed gears on the crank right next to the timing chain sprocket?
Last edited by rzgkane on Wed Jul 25, 2012 12:44 pm, edited 1 time in total.
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CliffC
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Location: Roseburg, Oregon

Post by CliffC » Sat Feb 25, 2012 1:52 am

By chance did you buy any books to show and tell how to take bike apart and/or put together. Silvers books are very good and cover just about everything you will run into. In answer to this question, it drives the oil pump. Cliff
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rustywrench
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Post by rustywrench » Sat Feb 25, 2012 1:52 am

One drives the oil pump and the other drives the timing chain. Rusty
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rzgkane
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Posts: 537
Joined: Sun Feb 12, 2012 11:12 pm
Location: Huntington Beach, CA

Post by rzgkane » Sat Feb 25, 2012 2:11 pm

rustywrench wrote:One drives the oil pump and the other drives the timing chain. Rusty
Ahh, yes. Stupid me. This was a salvage motor and the oil pump was missing. I mistook the oil filter chain for the oil pump chain. Thanks for the reply.
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