Kenny G
Serious Thumper
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SuzukiSavage.com The Singles Club...LOL
Posts: 1754
Robson Ranch, Denton, Texas
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S40 Fuel Line
This posting is "for what it is worth" information and not intended to incite a riot.
I do not think the fuel line for an S40 is 5/16" ID and I know it is not 1/4" ID.
I think the fuel line is 7MM and here is what I base my opinion on:
The brass fitting on our Mikuni carburetor for the fuel line measures .320 OD.
The brass fitting on the factory pet thingy for the fuel line measures .315 OD
The brass fitting on the Raptor petcock for the fuel line measures .320 OD
5/16" converted to a decimal .3125
7MM converted to a decimal is .276
The Suzuki S40 factory fuel line measures .265 ID and .450 OD
My Denton motorcycle dealer who sells Suzuki and also sells at least a dozen other brands of motorcycles, ATVs, water scooters, SlingShots, etc., stocks only one piece of fuel line about 2' long and it is 7.5MM ID. I searched around and the Harley shop had only SAE size fuel line, I tried the John Deere dealer and they had only SAE size fuel line, but thought the Kubota dealer could have metric fuel line since the Kubota products are made in Japan.
Indeed the Kubota dealer does have 7MM fuel line and the part number is 09661-70800-620. The ID of the Kubota 7MM fuel line measures .274 and the OD measures .480 Although the Kubota fuel line is a little bigger than the Suzuki factory fuel line the Suzuki factory clamps will still fit on the Kubota tubing.
Kenny G
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