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FJR Motorcycle Forums
Technical & Mechanical Problems
Bulkhead fitting for aux tank through fuel pump?
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<blockquote data-quote="Cal24Master" data-source="post: 1140774" data-attributes="member: 2026"><p>It's been awhile, but as I recall it would be really difficult to put the bulkhead connector into the fuel pump. I would be carefull when attempting to do the same thing on a FJR as on a BMW. the BMW fuel tanks extend far lower than the FJR does. When you are using gravity to transfer the fuel you can use a much smaller hose and fitting size than you can when the Aux. tank and main are close to the same level. If you have a 48 state bike and use 1/4" hose it will transfer fuel very slowly, and when it is hot or at altitude, maybe not at all. It will work better with 3/8" or larger hose. If you have a California model it doesn't matter because the vapor recovery system creates suction in the fuel tank and helps transfer the fuel.</p></blockquote><p></p>
[QUOTE="Cal24Master, post: 1140774, member: 2026"] It's been awhile, but as I recall it would be really difficult to put the bulkhead connector into the fuel pump. I would be carefull when attempting to do the same thing on a FJR as on a BMW. the BMW fuel tanks extend far lower than the FJR does. When you are using gravity to transfer the fuel you can use a much smaller hose and fitting size than you can when the Aux. tank and main are close to the same level. If you have a 48 state bike and use 1/4" hose it will transfer fuel very slowly, and when it is hot or at altitude, maybe not at all. It will work better with 3/8" or larger hose. If you have a California model it doesn't matter because the vapor recovery system creates suction in the fuel tank and helps transfer the fuel. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Bulkhead fitting for aux tank through fuel pump?
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