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BF45 will die when past 2000 RPM

arima_fan

Member
"Ok, need help from the expert

"Ok, need help from the experts! so I can start in the right direccion.
Here's the story,
it was running fine at sea level, took the boat to Lake Tahoe (6223 ft) had my tahoe prop on it (10.5 pitch, but my WOT was only 4200 RPM so I don't think it is the right one, but that is a different problem) the motor started fine and runned at the lower WOT for about 15 min to the fishing hole, shutted down the maine and used the kicker for a couple of hours. When restarted the maine, pushing the throttle past 2000 RPM's the motor just bogs and dies. Tryied many times and had the same results. Also to eliminate the choke from being the problem, I pulled it out with eng at 2000 RPM and it killed the eng.
The kicker(BF8) seemed to be running fine, although I did not run it at full power because I was trolling.
All I did different from other times was changing the prop from 13 to 10.5 pitch and adding to 27 gal of gas 2.5 oz of marine eng fuel stabilizer."
 
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