I am trying to figure out which jets were originally used in the SI 20.15 and SI 20.17 carbs. The 125cc VNA and VNB engines that I took apart had the following carbs:
SI 20.15
Choke 55
Idle jet 42
Air 150
Mixer BE1
Main 82
So I am pretty sure these are the correct jets for the 125cc VNA and VNB engines.
However, what is the correct jetting for the SI 20.17 carbs used on the 2 port 150cc GLA and Sprint engines? I have the following sizes, but I do not think they are correct:
SI 20.17
Choke 60
Idle 42
Air 160
Mixer BE1
Main 86
Your help would be appreciated.
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Hooked
'57 VN2, '70 180 Rally, '80 P150X, '80 P200E, '05 GT200
Joined: UTC
Posts: 378 Location: George, South Africa |
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Hooked
'57 VN2, '70 180 Rally, '80 P150X, '80 P200E, '05 GT200
Joined: UTC
Posts: 378 Location: George, South Africa |
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