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Author Topic: Vesrah gasket set  (Read 175 times)

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Offline Don R

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Vesrah gasket set
« on: February 11, 2025, 01:25:11 PM »
 I bought a Vesrah VG157-557 gasket set, I'm not sure it includes the o ring for the main oil passage between the cases in front. I don't see it listed in the 7-piece seal kits either.
  If I search 1978 cb750 in partzilla, they have it listed as 18x3mm.  I'm wondering if I should buy a few?
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Offline bryanj

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Re: Vesrah gasket set
« Reply #1 on: February 11, 2025, 01:42:09 PM »
Why not buy viton ones from a local supplier, should be same on all 750
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Offline Don R

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Re: Vesrah gasket set
« Reply #2 on: February 11, 2025, 02:56:01 PM »
  The term local supplier around here is a joke. Our bearing house closed, the good auto/hardware became a railroad supplier, the one remaining hydraulic hose company only sells wholesale, we do have a good NAPA area warehouse store however, that might be a source.  Edit: NAPA has 19X3 but no 18X3
« Last Edit: February 11, 2025, 03:46:48 PM by Don R »
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Online newday777

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Re: Vesrah gasket set
« Reply #3 on: February 11, 2025, 04:06:55 PM »
Hondaman has 18x3 orings. It fits the neutral switch.
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Honda Parts manager in the mid 1970s Nashua Honda
My current rides
1975 K5 Planet Blue my summer ride, it was a friend's bike I worked with at the Honda shop in 76, lots of fun to be on it again
1976 K6 Anteres Red rebuilding project, was originally my brother's that I set up from the crate, it'll breath again soon!
Project 750s, 2 K4, 2 K6, 1 K8
2008 GL1800 my daily ride and cross country runner

Prior bikes....
1972 Suzuki GT380 I had charge of it for a year in 1973 while my friend was deployed and learned to love street riding....
New CB450 K7 after my friend returned...
New CB750 K5 Planet Blue, demise by ex cousin in law at 9,000 miles...
New CB750 K6 Anteres Red, to replace the totaled K5, I sold this K6 at 45k in 1983, I had heavily modified it, many great memories on it and have missed it greatly.....
1983 GL1100A, 1999 GL1500 SE, 1999 GL1500A

Offline Don R

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Re: Vesrah gasket set
« Reply #4 on: February 11, 2025, 04:12:28 PM »
 I'm going to measure one, it looks bigger to my micrometer eye. I found them in buna n for $.60 each but have to buy 40. 
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Offline PeWe

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Re: Vesrah gasket set
« Reply #5 on: February 11, 2025, 08:34:48 PM »
I bought a bunch of o-rings to cover all of them for a CB750. Min 25 pack, some 50 pack.
Most of them viton.
For early and late heads (under cam holder) and thick head gasket and stock.
 Lifting heads and cylinders as I did a few years ago needed a good stock home. Buy Honda stock $$ a big no-no.

I got mine from an eBay seller or 2 in UK. Bearings and  sealer seller.

A 50-pack of o-rings to oil filter too. But not viton found for this.
The rings supplied with filters are always too thin, not 4.5mm.
« Last Edit: February 11, 2025, 08:37:29 PM by PeWe »
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CB750 K2-75 Parts assembled to a stock K2

Updates of the CB750 K6 -1976
http://forums.sohc4.net/index.php/topic,180468.msg2092136.html#msg2092136
The billet block build thread
http://forums.sohc4.net/index.php/topic,49438.msg1863571.html#msg1863571
CB750 K2 -1975  build thread
http://forums.sohc4.net/index.php/topic,168243.msg1948381.html#msg1948381
K2 engine build thread. For a complete CB750 -75
http://forums.sohc4.net/index.php/topic,180088.msg2088008.html#msg2088008
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http://forums.sohc4.net/index.php/topic,179479.msg2104967.html#msg2104967

Offline Don R

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Re: Vesrah gasket set
« Reply #6 on: February 14, 2025, 05:13:18 PM »
 I noticed that Hondaman sells o ring kits, properly sized and everything. It's in the sponsor page.
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No matter how many times you paint over a shadow, it's still there.
 CEO at the no kill motorcycle shop.
 You don't need a weatherman to know which way the wind blows.
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