Home › Forum › Ask A Member › More 135 Johnson problems › Re: More 135 Johnson problems
OK, you were writing your results as I was writing my post….
So, the engine is running OK now? You did not remove the jets, correct? I’m assuming you don’t have the correct tool. In any event, sometimes a pipe cleaner can be run through those high speed jets removing any little bits of gum that might be left over after blowing them out with cleaner/compressed air.
And yes, you do want to use the surface gap UL77V plugs on that engine. These engines were high compression, and prone to detonation/preigntion damage, even when "good gas" was still available. So, please be sure to use at least mid grade gas running today’s fuels. Yes, the surface gap plugs are more prone to fouling at low speeds, but you won’t be using this engine/your boat for trolling I’m sure!