Desperado213 Posted March 9, 2020 Report Share Posted March 9, 2020 I think the primer bulb on my 1999 F115 2 stroke on my 18 redfisher is bad. It currently has a cheapo attwood on and I plan to buy an oem Yamaha bulb. I can't figure out what ID size I need. The main fuel line from the tank to the fuel/water separator says 3/8" ID on the hose. The hose that is attached to the bulb does not say anything on it and I didn't want to cut it off until I had the new one but the line looks smaller. Would there be different size hoses? I emailed SIMs Yamaha and they said stock for my motor is 5/16" (8mm) but the main fuel line is making me second guess. Any help is appreciated! Quote Link to comment Share on other sites More sharing options...
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