I got a 87' 50 force?

Question

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I got a 87' 50 force mod.# 507X8D on A 14' bay liner and it wont idle once it starts it will stay running but only if you flutter the throtle if I give it full gas it winds out good but if I let off a little it will die .in the diagram for the carb. says there is a spring(nozzle spring)#26 part # 24-f10204 and this carb has no spring there and was woundering if that could be the problem.... I have new fuletank

fule line

primer bulb

fule

and I screwed the adjustment all the way in then out 1-1/2 turns on the back of the carb. any answers???????????????????? THANKS, Jeff

Answer 1

Slow speed mixture. Without the spring it won't stay where you put it.

Now, with it 1 1/2 turns out, start the motor and use the throttle to set the RPM's where it will just stay running.  Start turning the s***w in, 1/8 turn at a time.  Give the engine a second or two to respond.  RPM's should increase;  each time lower the RPM's so it will just stay running.  Eventually you'll reach a point where turning the s***w in makes it run worse, it might start spitting a little.  Somewhere in the last 1/4 turn you'll find the smoothest running.

If you can't get it to run smooth, you'll need to take the carb off, disassemble, soak the metal parts overnight in carb cleaner, put it back together with a new carb kit, reinstall, and readjust the slow speed mixture.

Once you get it right, you won't have to move it again until the carb comes off for the next rebuild.

Answer 2

jtexas  is right, but -and this goes a long way back I think chrysler-oops I mean Force had a press in main metering jet that they keep in place with a little ball point pen spring which pointed straight down into the float bowl.(any of this sound familiar to anybody?)nobody else did it because the spring  would fall into the motor housing the first time you took the float bowl apart. You can tell if its gone by sticking your finger into the carb past the choke butterfly (if you have real small fingers) and try to wiggle the brass tube sticking up the middle of the throat. If its lose, any spring will do.