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Mugello 225 inlet timing

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Mugello 225 inlet timing

Postby Knowledge » Thu Jan 16, 2020 1:38 pm

Hi,

I am building a Mugello 225 for a mate next week. It comes with a new meteor piston with un-cut skirt. 58 x 110 crank, 28mm Dellorto and Devtour pipe. He wants a touring machine.

I haven't measured the inlet duration with this new piston yet, but has anyone got any experience of inlet timing on this barrel?

To cut, or not to cut?
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Re: Mugello 225 inlet timing

Postby ULC Soulagent » Thu Jan 16, 2020 2:52 pm

Muggy inlet port timings are usually all over the place but expect 150*-165* as a rough guide.
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Re: Mugello 225 inlet timing

Postby dscscotty » Fri Jan 17, 2020 10:44 am

+1 just had one with 160' which is very high for road use, especially with the very low transfer timings, so just be careful and check ;)
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Re: Mugello 225 inlet timing

Postby Adam_Winstone » Mon Jan 20, 2020 7:56 pm

Check to see what the various port durations are... it's the only way to know which way to go, it may not need anything doing to it.
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Re: Mugello 225 inlet timing

Postby Knowledge » Tue Jan 21, 2020 1:38 pm

Thanks Adam and Darren.

As you can imagine, I was going to measure all the port timings (with the Buzzwangle) before cutting any skirts or ports, but I was just testing the water to see what experiences others had had.

If I find something interesting, I may post it on here.

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