Good evening gentlemen.
Boat: 2000 tige 21v black scorpion
A little bit of history. Bought the boat 6 months ago or so. Boat sat for a long time. Lots of initial small issues. Lots of maintenance stuff. Compression checks out. Boat runs great. After replacing water pump, impeller, thermostat was still having temp issues. We narrowed it down to the fuel pump causing the motor to run lean and vapor lock issues. Just replaced the fuel pump assembly. Boat runs better than ever. I mean much better. More responsive, smoother idle, faster, everything. I was topping out in the mid 30’s with top end prop, currently running 40 with bottom end prop.
After getting it all together (changed fuel pump, service, and changed prop to bottom end prop) we took it to the lake a gave it hell. Ran wide open for extended periods, put it in surf speed/wake and plowed forever. Never ran blower... I pushed it hard. If it wasn’t right I wanted to know then. Two thing came up...
1. I noticed while running wide open (which I NEVER do) temp would climb after extended time. Not much, maybe 180-190. Not enough to sound an alarm, but it did climb.
2. I get a “surge” under wide open speeds. Almost like it’s governing the engine. May be normal. I’ve never been able to get the boat to that speed. This doesn’t bother me all that much as again, we don’t run the boat that fast. Just wanted to mention in case it was a symptom.
Anyone else notice things like this? Normal? Still have a temp issue? Thoughts?
Thank you,
Sam.
Boat: 2000 tige 21v black scorpion
A little bit of history. Bought the boat 6 months ago or so. Boat sat for a long time. Lots of initial small issues. Lots of maintenance stuff. Compression checks out. Boat runs great. After replacing water pump, impeller, thermostat was still having temp issues. We narrowed it down to the fuel pump causing the motor to run lean and vapor lock issues. Just replaced the fuel pump assembly. Boat runs better than ever. I mean much better. More responsive, smoother idle, faster, everything. I was topping out in the mid 30’s with top end prop, currently running 40 with bottom end prop.
After getting it all together (changed fuel pump, service, and changed prop to bottom end prop) we took it to the lake a gave it hell. Ran wide open for extended periods, put it in surf speed/wake and plowed forever. Never ran blower... I pushed it hard. If it wasn’t right I wanted to know then. Two thing came up...
1. I noticed while running wide open (which I NEVER do) temp would climb after extended time. Not much, maybe 180-190. Not enough to sound an alarm, but it did climb.
2. I get a “surge” under wide open speeds. Almost like it’s governing the engine. May be normal. I’ve never been able to get the boat to that speed. This doesn’t bother me all that much as again, we don’t run the boat that fast. Just wanted to mention in case it was a symptom.
Anyone else notice things like this? Normal? Still have a temp issue? Thoughts?
Thank you,
Sam.
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