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Message started by marekbuk on 09/26/15 at 03:49:56

Title: Exhaust header gasket size?
Post by marekbuk on 09/26/15 at 03:49:56

I received a new exhaust header gasket from a third party dealer and this measures 55mm diameter but the exhaust port measures 67mm diameter.Is this right? I can't see how to hold the gasket central in the port without it dropping on the the lower edge of the port recess , see pic.

Title: Re: Exhaust header gasket size?
Post by marekbuk on 09/26/15 at 04:25:48

Oops! The port is 62mm dia. And not 67mm dia.

Title: Re: Exhaust header gasket size?
Post by justin_o_guy2 on 09/26/15 at 07:08:05

Doesn't the header go in partway? Can you slide it on the header ?

Title: Re: Exhaust header gasket size?
Post by marekbuk on 09/26/15 at 11:08:14

No You can't slide it on to the header as there is flange fixed to the end of the header pipe and it is this that the gasket pushes against

Title: Re: Exhaust header gasket size?
Post by verslagen1 on 09/26/15 at 11:19:05

I'd have to guess they gave you the wrong one, should fill the cavity.

Title: Re: Exhaust header gasket size?
Post by oldNslow on 09/26/15 at 11:44:53

OEM gasket is just a bit over 60mm OD.

Part# 14181-45C00 I think.

Title: Re: Exhaust header gasket size?
Post by marekbuk on 09/26/15 at 13:27:17

Just checked my gasket invoice and the part is listed as fitting LS650 1987-2000. Mine is a 2005 S40 so I wonder if Suzuki changed the design of the Header pipe?

Title: Re: Exhaust header gasket size?
Post by oldNslow on 09/26/15 at 14:10:58


484457404E47504E250 wrote:
Just checked my gasket invoice and the part is listed as fitting LS650 1987-2000. Mine is a 2005 S40 so I wonder if Suzuki changed the design of the Header pipe?


They are all the same regardless of year. If the gasket you have is not 60mm OD it's the wrong gasket. Did it come in a sealed plastic bag with a white adhesive sticker with SUZUKI and the part # printed on it ?

Title: Re: Exhaust header gasket size?
Post by marekbuk on 09/27/15 at 02:09:31

I bought a pack of 10 labelled as fitting those LS650 dates but not Suzuki

I found a thread from 2013 from someone who had the same issue - ie bought a non OEM part that was too small

I'm going to order from a Suzuki dealer tomorrow and send the small ones back for a refund

Title: Re: Exhaust header gasket size?
Post by strang on 09/27/15 at 02:52:49

I had this experience - tried to find cheap generic alternative (why not?) but it didn't fit and ended up going legit Suzuki.

Title: Re: Exhaust header gasket size?
Post by marekbuk on 09/27/15 at 11:14:29

Waiting for my replacement S40 exhaust header gasket meant I couldn't play out on my bobber this weekend but I still wanted to 'play' on it - the header pipe made a fine instrument - with a little help from some kitchen waste pipe - didgeridoo style!

Hear what it sounds like here:

https://youtu.be/CjR7NbLsQjI

Title: Re: Exhaust header gasket size?
Post by strang on 09/28/15 at 12:15:25

 ;D  ;D
can you call out to other Thumpers in your area?

Title: Re: Exhaust header gasket size?
Post by Dave on 09/28/15 at 12:39:38

Good job on playing the header......and it is a good thing you must didn't blow on the end of the pipe - black carbon rings are tough to get off your mouth (I would guess)!

Title: Re: Exhaust header gasket size?
Post by justin_o_guy2 on 09/28/15 at 15:41:34

Some places in America , that could be dangerous. I don't think men are really up for a date with a moose. I, too, applaud the effort and understand the desperation of a downed bike.

Title: Re: Exhaust header gasket size?
Post by marekbuk on 09/30/15 at 01:23:52

The company that supplied the wrong sized gasket have sent me a replacement pack of 10 FOC so now I have 9 x 61mm and 10 x 55mm gaskets spare. If any of you need one I can send you one FOC - you just pay the Postage (from the UK) and packing and the PayPal charge  :)

Its got to be cheaper than the OEM part

Title: Re: Exhaust header gasket size?
Post by strang on 10/01/15 at 06:42:20

I'd be interestds in a couple of the right sized header gaskets.

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