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View Full Version : Stock pop off spring?


jfw432
10-18-2007, 08:13 AM
Can anyone confirm the stock length of a 750sx with a Keihin CDK II 38 mm carb on it? I know the stock spring rate is 70g but it could be 8.7mm or 11mm. I'm not sure which.

tor*p*do
10-18-2007, 11:51 AM
there were 3 in the rebuild kit
I used the mid size one and it works great




But I didnt measure it :grumble:

jfw432
10-18-2007, 07:37 PM
Ok that sounds more like the 8.7 mm spring then because mine came with 3 different sizes (no idea of weight). The largest was 11mm and the smallest barely even touched the float arm.

tor*p*do
10-18-2007, 07:42 PM
the two left over springs in my rebuild kit measure 7 and 11 mm WFIW

jfw432
10-18-2007, 08:34 PM
Great thanks.