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Old 02-24-2010, 09:36 PM   #1
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Bigpin 750 with 650 Westcoast pipe- Jetting?

Im about to swap a 750 bigpin and we are going to use the complete 650 Westcoast pipe that was on the X2. The 750 has the stock dual Keihin's. Ive NEVER dealt with Keihin before... And I dont have a clue what kind of jetting to start with and how exactly to tune them... Just wondering if you guys could give me some pointers?

Thanks!
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Old 02-25-2010, 04:15 PM   #2
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Re: Bigpin 750 with 650 Westcoast pipe- Jetting?

Bueller?
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Old 02-25-2010, 04:59 PM   #3
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Re: Bigpin 750 with 650 Westcoast pipe- Jetting?

1 1/2 low and 1 1/4 high. Then junk those carbs and get " i" carbs of an 800
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Old 02-25-2010, 06:32 PM   #4
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Re: Bigpin 750 with 650 Westcoast pipe- Jetting?

I have a set of those too off my SXR...although this boat is for a buddy and hes already over budget.

What makes Keihin's junk?
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Old 02-25-2010, 07:49 PM   #5
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Re: Bigpin 750 with 650 Westcoast pipe- Jetting?

Quote:
Originally Posted by BombThreat View Post
What makes Keihin's junk?
They are junk to those who can't tune them... You're using an unpopular carb setup, on a somewhat unique engine/pipe combo, so chances are you won't get the magic answer you're looking for... Time to become a pioneer!
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Old 02-25-2010, 08:00 PM   #6
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Re: Bigpin 750 with 650 Westcoast pipe- Jetting?

sweet! lol anyone have a pile of these junk Keihin jets?

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Old 03-01-2010, 04:23 PM   #7
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Re: Bigpin 750 with 650 Westcoast pipe- Jetting?

Change of plans, Gonna switch over to a single 44 setup. Got the carb just need the manifold. If anyone knows where i can get one that would be awesome!
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