Author Topic: Oil pump o-ring  (Read 932 times)

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Offline cb650PK

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Oil pump o-ring
« on: April 08, 2009, 12:39:33 PM »
Hi, does anyone have source for oil pump cover O-ring, 46*3mm for CB650. It has been discontinued by Honda. Thanks.
S CB750 na vecne casy a nikdy jinak.

Offline mattcb350f

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  • 1974 CB350F
Re: Oil pump o-ring
« Reply #1 on: April 08, 2009, 03:40:55 PM »
I had to get one like that from a local Hydraulic shop who sold O-Rings. That's your best bet. There are also some online dealers as well: http://www.google.com/search?hl=en&q=orings&aq=f&oq=

 Matt.
1974 CB350F,  1980 CB125S,  1981 XL80S
Non Honda's: 86 & 87 Husqvarna 400wr's

My CB350F resto: http://forums.sohc4.net/index.php?topic=30467.0
Gallery at:
http://gallery.sohc4.net/main.php?g2_itemId=298318

Offline WFO

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Re: Oil pump o-ring
« Reply #2 on: April 08, 2009, 03:44:37 PM »
Just go to the hardware store or autoparts they should have a tray on hand full of different sizes.
82 cb650 sc nighthawk - 78 kz 650 b

Offline bryanj

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Re: Oil pump o-ring
« Reply #3 on: April 08, 2009, 09:13:26 PM »
That "O" ring is NOT the oil pump cover its the oil pump to crankcase and a 500/550 is 47x 3.2 so should fit if used carefully
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).

Remember "Its always in the last place you look" COURSE IT IS YOU STOP LOOKIN THEN!