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  1. R

    '86 ProV150- Need tips on starting

    I always add stabilizer when I fill the tank and always put the boat away with a full tank - like I dis last October. Didn't winterize the boat because the climate here in NC is typically mild during the winter and I often go fishing during the winter months. But things change and for reasons...
  2. R

    86 150 stalls when idling

    ffirst time out after carb clean and rebuild. Starts fine, runs great, but "coughs and sputters at idle. Have turnedd idle adjustment screw to as high as rpm as possible and still be able to shift (approx 1200 RPM). Motor "coughs and sputters" then dies. Restarts fine but can't keep it running...
  3. R

    '86 150 - I'm in trouble - lost pilot jet - part no longer available

    Was in the final stages of clean and rebuild last of 3 carbs. Drying pilot jet with compressed air when I lost grip on pliers and this little (4mm) brass jet was gone. Have torn my workshop apart at to no avail. (Magnetic sweep doesn't work) Have searched internet extensively. Jet is...
  4. R

    86 Yamaha 150 - Issue disassembling carbs for clean/rebuild

    I am unable to loosen and remove brass bypass screws on top of carb, Concerned about damaging slots in soft brass screws with too much torque on screwdriver. All suggestions appreciated.
  5. R

    '86 150 - Is there anything left than to clean/rebuild carbs?

    The problem: Stalls when attempt to engage gear. Once underway, WOT 1200/1500 rpm. Fast idle fluctuates back to 400. Attempted fix: Compression check OK. 108 - 110 all cylinders. Drained carb bowls & filled with Sea Foam through fuel lines. Soaked overnight. 1gal of ring free shock...
  6. R

    Not enough screw to adjust advanced timing (static)

    Finishing final steps of tune up with static timing check until I can find my timing light or get another. Retard and pick up timing need no adjustment. However, when adjusting full advance timing, I am a long way from being able to align the mark on the flywheel to the mark on the magneto...
  7. R

    Spark plug broken off in head. Need advice please.

    '86 150 V6 Just finishing spring tune up. Pulled plugs to inspect. All looked good with less than 20 hrs so decided to reinstall. Installed 5 with torque wrench @ 12 ft-lb. felt something "give" while installing last plug, then realized it was spinning free. Removed socket with plug/electrode...
  8. R

    86 150 stalls at slow idle - Max WOT 1500 RPM

    After being under way for 30 minutes of so my 86 150 ETLJ dropped to 1500 RPM, had no guts. Stalls when idling down to shift. Difficult to restart. Topped off with fresh fuel and emptied a can of Sea Foam through the carbs while hooked to hose and "muffs". Seemed to be slight improvement in...
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