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These motors are very easy starting so make sure the choke butterfly is closing all the way when you pull it out. If it is, you can always open the low speed mixture screw a half turn or so to help richen the mixture when starting it cold. Also make sure the carb is fully primed and the bulb on the hose feels firm. No spraying of anything in the carb should be required.
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Sometimes… going beyond START on the throttle indicator can help … my 9.5hp (1966) is also a pain in that respect but I recently noticed the cam follower was off a bit
… to be lake tested… asa I get a chance 🙂
Joining AOMCI has priviledges 🙂
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Exactly! If you remove the hood and turn the grip until the carb butterfly is about 1/4 open or so, look at the pointer on the grip and I’ll guarantee it won’t be lined up with the word start! I always give them lots of throttle and quickly turn it back down as soon as the motor lights up.
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Have you checked to make sure the choke butterfly is closing all the way? Perhaps you didn’t assemble the choke linkage properly….
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Are you priming it every time with the fuel hose primer ? If not, perhaps the fuel is running back to the tank and emptying the carb bowl?
What kind of compression does it have ? A motor with low compression may need a bit of go-juice when it’s cold and the rings are loose.
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