Author Topic: oil leakage of cb 350 twin  (Read 1264 times)

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Offline cb350twin

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oil leakage of cb 350 twin
« on: October 15, 2005, 03:22:10 PM »
hi i have a 73 cb twin. There is oil leaking from the bottom part of the crankcase/ transmission cover right where the chain starts to go into the engine. Its on the underside of the engine below the shifter linkage. Any help would be appreciated thanks also if i need a gasket where would i go about geting one thanks
1975 CB 750 K5
1972 CB 350 Twin K4
1972 CB 500 Four K1

murtceps1

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Re: oil leakage of cb 350 twin
« Reply #1 on: October 15, 2005, 11:00:14 PM »
had same problem on cb750 I am trying to do up. Turned out that previous owner had cover off but did not reseat the rubber gromets that seat the generator wiring, Hence the leak, a new gasket and an hours work and all is well.  A new gasket sorry I dont know where you are cannot offer any assistance on that one. Although I did buy a trail bike that someone has fitted a cb350 into so I will be in the market for one myself. Regards Jack ( of all things a Kawasaki kl250A frame)

busidit

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Re: oil leakage of cb 350 twin
« Reply #2 on: October 15, 2005, 11:26:46 PM »
Contact Terry at Retrobikes. You may have to buy a complete set of gaskets to get the one you need but that's not a bad idea. They are not easy to find. The product number is HG-317-210  Gasket set, complete  CB350  $25.00 

http://olypen.com/retro/

I have a yard and a basement full of 350 twins. Retrobikes is a pleasure to deal with.

James

Offline cb350twin

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Re: oil leakage of cb 350 twin
« Reply #3 on: October 16, 2005, 01:13:57 AM »
I took off the front spocket cover which had no gasket and i think thats how it suppose to be? Then i noticed oil coming from the o rings/ oil seals on the shaft a for the clutch. Also a shaft for the shifter so do i just pop these off and replace ?i think there rubber but its hard to tell.  Can i get these from the honda dealer? i,m in the US iowa
1975 CB 750 K5
1972 CB 350 Twin K4
1972 CB 500 Four K1

Offline bryanj

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Re: oil leakage of cb 350 twin
« Reply #4 on: October 16, 2005, 10:00:33 AM »
Both seals should still be available from Honda and should remove easily and replace easily
Semi Geriatric ex-Honda mechanic and MOT tester (UK version of annual inspection). Garage full of "projects" mostly 500/4 from pre 73 (no road tax in UK).

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