Honda 115 Surging at mid/low throttle
I've and older Honda BF115 (97 model) with just over 500 hrs. Its to have been well maintained throughout its career but I'm having an issue with surging and stumbling a bit low throttle and some times at mid throttle. At, say, half to full throttle, she runs like a champ. Ive even given it a couple of hole shots to test and it stands up and takes off. Another seemingly related issue is when I'm throttling down, it hesitates to do so. It almost seems as if the throttle cadle is out of wack but I checked it, it seems tight. When I come down to a "No Wake" rpm it starts surging and stumbling at times.
All filters have been replaced (both water separators, L/P filter, H/P filter) and VST has recently been gone through, checked TPS with a meter and couldn't find an issue there, pulled the fuel injector rail with injectors in and checked spray pattern, plugs and new, valve adjustment seems be ok. I did a cold compression test and got 190-195 on all, but it did take 10-15 cranks to get there, it is a slow cranking engine though. Any input would be appreciated. Thanks. |
Problem solved!!!
Originally Posted by SkiffDaddy252
(Post 42145)
I've and older Honda BF115 (97 model) with just over 500 hrs. Its to have been well maintained throughout its career but I'm having an issue with surging and stumbling a bit low throttle and some times at mid throttle. At, say, half to full throttle, she runs like a champ. Ive even given it a couple of hole shots to test and it stands up and takes off. Another seemingly related issue is when I'm throttling down, it hesitates to do so. It almost seems as if the throttle cadle is out of wack but I checked it, it seems tight. When I come down to a "No Wake" rpm it starts surging and stumbling at times.
All filters have been replaced (both water separators, L/P filter, H/P filter) and VST has recently been gone through, checked TPS with a meter and couldn't find an issue there, pulled the fuel injector rail with injectors in and checked spray pattern, plugs and new, valve adjustment seems be ok. I did a cold compression test and got 190-195 on all, but it did take 10-15 cranks to get there, it is a slow cranking engine though. Any input would be appreciated. Thanks. |
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