Author Topic: alternator o-ring size  (Read 764 times)

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Offline pablo78cb550

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alternator o-ring size
« on: December 04, 2008, 12:04:44 PM »
does any one know the o ring size for a CB550K alternator.  ???
Bikes in hand:
1977 Yamaha XS650
1978 Yamaha SR500 #119!
1978 Yamaha XS400
1978 Honda CB550K
1965 Ducati Monza 250

Sold off:
1992 Yamaha FZR600
1978 Yamaha SR500- I miss it so much.
1981 Yamaha Seca 550

Offline mark

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Re: alternator o-ring size
« Reply #1 on: December 04, 2008, 01:09:10 PM »
o-ring for the alternator? it has a gasket.

o-ring for the oil galley plug behind the alternator maybe? O-RING (13X2.5) 91319-300-000 is the Honda part.


Happy trails.


1976 CB550K, 1973 CB350G, 1964 C100

F you mark...... F you.

Offline pablo78cb550

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Re: alternator o-ring size
« Reply #2 on: December 04, 2008, 01:41:02 PM »
oh crap, i meant the starter.
never mind, i found it after all.
24.4 x 3.1
Bikes in hand:
1977 Yamaha XS650
1978 Yamaha SR500 #119!
1978 Yamaha XS400
1978 Honda CB550K
1965 Ducati Monza 250

Sold off:
1992 Yamaha FZR600
1978 Yamaha SR500- I miss it so much.
1981 Yamaha Seca 550