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Heymow - Lawnmower Racing Forum
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42mm Mikuni HSR
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Topic: 42mm Mikuni HSR (Read 11613 times)
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truckintyler
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42mm Mikuni HSR
«
on:
October 23, 2019, 09:31:08 pm »
Would a single 42mm Mikuni HSR flat slide be ok or too big for a command twin 44ci with a cam and port job?
Or would two smaller flat slides like Keihin fcr be best . Not sure which direction to take .
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cycloneracer
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Re: 42mm Mikuni HSR
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Reply #1 on:
November 22, 2019, 05:52:33 pm »
The engine that Zach Kerber built me had 2 42MM mikunis on it. I think he sells a kit with the intakes and carbs. Check his website out.
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Paul Krueger
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Michaelgc7
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Re: 42mm Mikuni HSR
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Reply #2 on:
December 06, 2019, 01:04:02 am »
What would the port work be like? Also what rpms? Cam?
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Micheal Carrier
Owner of Carrierperformance.net , lawn mower racing superstore.
truckintyler
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Re: 42mm Mikuni HSR
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Reply #3 on:
December 11, 2019, 04:25:11 pm »
just ordered the MWSC 6000 cast cam kit , rods and flat top pistons , rpms ?- this is my first open engine 6000-7500 rpm ?.
Head work -- pretty much will be an amateur job just cleaning up the ports , nothing like the port work you do micheal.
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Michaelgc7
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Re: 42mm Mikuni HSR
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Reply #4 on:
December 13, 2019, 09:04:54 pm »
In that case the carb is more than likely going to be way too big. Try a 36 or a 38 instead. 36 would probably be perfect
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Micheal Carrier
Owner of Carrierperformance.net , lawn mower racing superstore.
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42mm Mikuni HSR
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