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New engine build

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New engine build

Postby betty2015 » Fri Jan 26, 2018 12:35 pm

Hi can you use a series one engine casing when building muggy 186
Thanks
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Re: New engine build

Postby Rich Oswald » Fri Jan 26, 2018 2:30 pm

Yes but you need to change the mag housing.
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Re: New engine build

Postby betty2015 » Fri Jan 26, 2018 7:16 pm

Thanks mate
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Re: New engine build

Postby Watfordwhite » Fri Jan 26, 2018 9:58 pm

Got to ask, why is there a need to change the Mag housing?
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Re: New engine build

Postby steve t » Fri Jan 26, 2018 10:05 pm

Mag side crank bearing is lubricated by 2 stroke mix on series 1 later ones are greased and sealed stickys book explains it better than me
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Re: New engine build

Postby Seamus murphy » Fri Jan 26, 2018 10:29 pm

I did a very early s2 muggy its worth noting that the two main exhaust studs are m5 not m8 like all later casings plus no extra exhaust fixing underneath engine
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Re: New engine build

Postby betty2015 » Fri Jan 26, 2018 11:52 pm

Cheers for that lads
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Re: New engine build

Postby Raveydavey » Sat Jan 27, 2018 8:43 am

There's a few tuners that will disagree with having to change the mag housing. Speak to Charlie Edmonds or Martin at chiselspeed. I'm sure they will tell you to stick with what you've got.
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Re: New engine build

Postby Steve J » Sat Jan 27, 2018 12:20 pm

The only Li cranks to use the oil mist to lubricate the flywheel side bearing were on the Series 1. Those cranks also came with a bushed small end in the conrod, so that would need to be swapped for a Series 2 or 3 conrod for starters.
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Re: New engine build

Postby betty2015 » Sat Jan 27, 2018 8:38 pm

Hi i was going to use mec crank for the engine build
would i be able to use original mag with this crank
I was going to buy new mag
Thanks
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