TB340A Kawasaki out of 80 Spit; splitting the case

Technical topics related to machines powered by Kasasaki motors
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snowkat79
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TB340A Kawasaki out of 80 Spit; splitting the case

Post by snowkat79 »

I need to split the case on this engine, but am unsure what is used to reseal the halves after new crank seals are installed. Any help is greatly appreciated!Image

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80 JD TrailFire 340 (440 motor, currently toasted)
80 JD LiquiFire (currently being restored)
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nick80lf
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Re: TB340A Kawasaki out of 80 Spit; splitting the case

Post by nick80lf »

Yamabond 4

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AirborneX4Special
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Re: TB340A Kawasaki out of 80 Spit; splitting the case

Post by AirborneX4Special »

I second that motion.
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snowkat79
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Re: TB340A Kawasaki out of 80 Spit; splitting the case

Post by snowkat79 »

Yamabond huh? Im not a big Yamafan, but if this is the most recommended method....its hard to argue against results!

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Matt
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Re: TB340A Kawasaki out of 80 Spit; splitting the case

Post by Matt »

I sell and use the Threebond version, no issues on my engines.

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AirborneX4Special
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Re: TB340A Kawasaki out of 80 Spit; splitting the case

Post by AirborneX4Special »

I have used both successfully, so it's buyer's choice.
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snowkat79
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Re: TB340A Kawasaki out of 80 Spit; splitting the case

Post by snowkat79 »

But there's no gaskets, just this liquid gasket stuff right?

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80 JD LiquiFire (currently being restored)
80 JD Spitfire (becoming this years rider, hopefully)
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nick80lf
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Re: TB340A Kawasaki out of 80 Spit; splitting the case

Post by nick80lf »

Correct.....no gaskets just sealant on the machined surfaces of the case halfs.

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80 Liquifire (purchased 1996 ~ Running)
80 Liquifire (purchased 2010 ~ Running....Now)
80 Liquifire (purchased 2011 ~ Not running - I officially have a problem now)
83 Snowfire (purchased 2014 father/son restoration project)
78 Spitfire ~ sold (should have been shot for this)
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snowkat79
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Re: TB340A Kawasaki out of 80 Spit; splitting the case

Post by snowkat79 »

nick80lf wrote:Correct.....no gaskets just sealant on the machined surfaces of the case halfs.

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Awesome, thanks!

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80 JD TrailFire 340 (440 motor, currently toasted)
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80 JD Spitfire (becoming this years rider, hopefully)
80 JD Spitfire (project, parts? Who knows...)
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JAH76
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Re: TB340A Kawasaki out of 80 Spit; splitting the case

Post by JAH76 »

Yamabond 4 for sure
94' Polaris indy classic touring500(girlfriend loves this 2 seater). Running
83' JD Snowfire 53rd one off assembly line (barn find in newton,iowa) currently under restoration.
1979 Kawasaki invader(has had a 440 put in but have original 340 motor-needs restored).
1980 Kawasaki 340 Invader (original,needs restored)
HAD- 1969 Chaparrel firebird SS first snowmobile when I was 12. Sold it(idiotic)
1979 JD Spitfire 340. Kick myself for selling this awesome sled
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snowkat79
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Re: TB340A Kawasaki out of 80 Spit; splitting the case

Post by snowkat79 »

nick80lf wrote: ↑Sun Feb 03, 2019 5:06 pm Correct.....no gaskets just sealant on the machined surfaces of the case halfs.

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So no sealant on the seals themselves, just on the crankcase halves?
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80 JD TrailFire 340 (440 motor, currently toasted)
80 JD LiquiFire (currently being restored)
80 JD Spitfire (becoming this years rider, hopefully)
80 JD Spitfire (project, parts? Who knows...)
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nick80lf
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Re: TB340A Kawasaki out of 80 Spit; splitting the case

Post by nick80lf »

I don't coat the seals with sealant, but I do make sure where the seals sit in the case halves so very clean. I usually use a red scotchbright pad to shine things up and I make sure the grooves for the seal rib is clean and smooth.
80 Liquifire (purchased 1996 ~ Running)
80 Liquifire (purchased 2010 ~ Running....Now)
80 Liquifire (purchased 2011 ~ Not running - I officially have a problem now)
83 Snowfire (purchased 2014 father/son restoration project)
78 Spitfire ~ sold (should have been shot for this)
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snowkat79
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Re: TB340A Kawasaki out of 80 Spit; splitting the case

Post by snowkat79 »

nick80lf wrote: ↑Fri Dec 13, 2019 12:55 am I don't coat the seals with sealant, but I do make sure where the seals sit in the case halves so very clean. I usually use a red scotchbright pad to shine things up and I make sure the grooves for the seal rib is clean and smooth.
Thanks Nick!
80 JD TrailFire 340 (440 motor, currently toasted)
80 JD LiquiFire (currently being restored)
80 JD Spitfire (becoming this years rider, hopefully)
80 JD Spitfire (project, parts? Who knows...)
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