What's the recommended RPM range for my 1990 150 GT? Currently on 15x17 aluminum stock prop spinning at about 5200 rpm. With my OMC 14.5x19 SS I'm at about 4900-5000. I'm looking for top speed performance. Hoping to reach close to 50 mph. With the SS OMC, I'm able to top out at about 45 mph @...
Some weird rpm issues with my motor. I have a 1990 150 GT J150STLESB. I just recently just had my rectifier replace due to jumping rpm's and not charging. After the shop replace the rectifier, the rpm doesn't jump anymore but here's my issue; RPM will run normal up to about 5,000 on fully trim...
I'll explain my problems the best I can one by one. I'm still new at this so bare with me
1. I'm leaking fuel from my vro unit. I've attached a picture for reference. From the picture, it's leaking from the top where the philips screws are mounted to the unit. I'm not sure if there's a gasket...
Hello. I currently have a 1990 150 GT with a 15x19p. Current specs are; Spectrum 17.5 aluminum full counsel boat, WOT 5250-5300 and tops out at 48 so far before hitting a damn tire on the river. I'm looking to do a laser 2 with a 22p, will this help increase speed? I'm looking for top end speed...
Alright guys, I just bought this 1990 150 GT and after installing it, I took her out for a test run and my tach reads fine till I full throttle. As soon as I full throttle, the rpm will go up to about 5250 and then starts jumping around. Sometimes it'll hold at 5250-5300 for a few seconds and...
