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Messages - calvinsmit

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Technical | How To / Re: Grand vista 250 carb setup
« on: January 01, 2010, 10:08:48 AM »
Mine does not have slots for a circlip.I use unleaded fuel for here ,so pug readings are not as I was used to in the 'old days'. (the exhaust and plugs are just dark.not quite soetie)The bike midrange power is good But It was a bit stronger when I fastened the needle slightly higher.That then gave me 18.5 k's per liter. I am expecting 28-30 k's per liter. I guess I will just see what my fuel consumption is like.It would of been great to get a approximate need length for my carb

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Technical | How To / Grand vista 250 carb setup
« on: January 01, 2010, 07:13:05 AM »
Can someone help me with the piston/slide needle length on a 250 grand dink(vista). I really need to know how far is sticks out measured from the bottom of the slide to the end of the needle.Someone had previously messed with the carb.It could even have a incorrect needle in if I compare to the manual. In fact the plastic needle holder was. I have a way in which I have secured the needle and so the bike is now performing well but I want to get the length and taper correct.

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