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What’s the pros and cons of a machanic rebuilding a 225 optimax with .020 over weiscos as opposed to Mercury .015 or .030 over cast pistons?

You may have blockage inside the block. If you pull the exhaust divider plate you can see the water passages that go through the divider into and around the cylinders for cooling. Small rocks and...

This is a Motorola pcm. Does that make a difference?

If it’s the pump driver can that be repaired or do I need to replace?

More info. I bench tested the pump for 20 minutes non stop. Start stop multiple times with no issues. Reattached the bottom tank at installed back to motor. Without priming the bulb I turned the...

Thanks for the info but I don’t think I have the original serial number. I purchased the drop on power head separate from a different midsection.

I finally took apart the vst to clean the canister and pump but it was clean as a whistle. The pump is a Walbro gss-36. I looked online but could not find the same make and model. Do I battery...

Thanks for the info.

6200

Max rpm is 6200 in the winter and 5900 in summer.

I guess my question should have been is the promax a stiffer prop than a trophy. I have a homemade 20ft aluminum boat with a 2.5 200. I was looking for something with a little bow lift.

Transitioning from a 23 trophy to a promax prop. What pitch promax should I go with?

I could not hear the fuel pump cycle due to windy weather conditions and I didn’t have anyone with me. Would a fuel pump just crap out and then come back to life an hour later?

Mercury 2.5 200 (not sure on year, I’d say 2001-2004) efi with the updraft intake and Motorola computer. Motor has been flawless for the last 100 hours of use. Pass your hand by the key and it will...

What electronics/ignition on this motor? Any pics without the cowling?