The throttle slips when the engine load is greater than 2000 rpm. The throttle will slip back to that point. It maintains its position from idle to 2000 rpms. What is the cause?
Take the compass and housing off of the binnacle and check the throttle linkage. There should be a set screw adjustment on the linkage arm. Tightening it should fix the problem.
Tightening the throttle may not do it. Try a Morris clamp, available at West Marine.It's a device that resembles a thumb screw an is inexpensive, but does the trick.Put it anywhere on the cable and watch your rpm,s go up,up up...
We just put new engine control cables on to replace the stiff and sticky ones that were on our 88 33.5. The throttle return spring at the engine overpowered our cables past 2000 rpm too. Tightening the hex nut inside the compass binnacle fixed her right up. happy throttling.
Jim, Please provide info on specific part numbers and source for ordering the replacement cables for the 1988 H33.5. I have this on my list of things to do! Thanks.
I had a similar problem, the dealer had installed a U-bolt on the cable near the fuel control unit to act as a pincher, since the 97 340 did not have a pincher. I still had the problem though. In this forum I saw that people were installing it close to the throttle lever. I installed another at the throttle end and the problem was solved! Cheap and easy! Scott
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