NC30 lack of power above 7k revs

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crighton7
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Re: NC30 lack of power above 7k revs

Post by crighton7 » Sun Apr 28, 2013 7:55 pm

Ive ordered 1mm needle shims and 120/122 jets from rick oliver so see how i get on when they arrive
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bikemonkey
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Re: NC30 lack of power above 7k revs

Post by bikemonkey » Sun Apr 28, 2013 7:57 pm

Have you already got 0.5mm shims under the needles then?
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crighton7
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Re: NC30 lack of power above 7k revs

Post by crighton7 » Sun Apr 28, 2013 8:01 pm

yeh there is a washer under each needle. Is it not standard for them to have a 0.5 mm washer?
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bikemonkey
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Re: NC30 lack of power above 7k revs

Post by bikemonkey » Sun Apr 28, 2013 8:04 pm

Don't think so, I haven't got any under mine as Rick O recommended trying without first.
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Cammo
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Re: NC30 lack of power above 7k revs

Post by Cammo » Mon Apr 29, 2013 12:11 am

crighton7 wrote:Is it not standard for them to have a 0.5 mm washer?
NC30 and 35 have a single 0.5 mm washer as standard.
"It's just a ride" Bill Hicks
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bikemonkey
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Re: NC30 lack of power above 7k revs

Post by bikemonkey » Mon Apr 29, 2013 9:08 am

Oh right, learn sumat new everyday ;)
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crighton7
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Re: NC30 lack of power above 7k revs

Post by crighton7 » Mon Apr 29, 2013 7:53 pm

Thought so as in the carb jetting guide on here says to raise from 0.5 to 1mm.
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crighton7
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Re: NC30 lack of power above 7k revs

Post by crighton7 » Thu May 09, 2013 10:25 pm

A quick update on my problem. Have now fitted 120/122 jets and lifted the needles by 1mm. It has helped but still not 100%. It still has a flat spot at around 6 to 7k revs but when you get past it it now pulls like it should and is a little flyer. Funny thing is if you open the throttle slowly it seems better and if you open her right up thats when the missfire/flatspot happens. HELP!!
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CMSMJ1
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Re: NC30 lack of power above 7k revs

Post by CMSMJ1 » Fri May 10, 2013 9:43 am

sounds too rich---so remove washers from needles...
IMPERATOR REX ANGLORUM

The V4 is the law..

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crighton7
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Re: NC30 lack of power above 7k revs

Post by crighton7 » Fri May 10, 2013 6:39 pm

really i thought if you had a flatspot like that it was because of lack of fuel. i followed the guide on here about drilling out the hole in the slide and raising the needle.
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