Trying to determine if there was a large repair job done here.------What make of boat ?-----That delamination does not look normal to me.----Looks like very poor bonding in that location.
In 1998 there were crossflows and loopers.----The TSL models are crossflows.-----1998 was the last year for crossflow.-----I have a 115 HP crossflow 25 " model myself.
You need to read that page on carburetor adjustment carefully.----Slowly and word for word.------At the very top it indicates that it is for the 2 ( 2 hp ) model with a low and high speed mixture needle.----Then near the bottom it switches for the 4 to 15 ( 4 hp to 15 hp ) models that just have...
Can you not see that the page in the manual is for the 2 HP model and the bottom part of the page is for 4 to 15 HP models.----You need to reduce orifice size for the 4 high speed jets by 0.002".-----But first post your compression numbers on this 35 year old crossflow motor.----I am sure your...
Can you see that the driveshaft and propshaft are NOT at 90 degrees to each other ?----Transom on a boat is not plumb , it is normally around 12 degrees.----It is NOT straight up and down.------Your motor looks normal to me.
Driveshaft does appear to be at an angle.----But propshaft appears to be horizontal.------Part of the way these motors were designed ?----I would call it normal per post #4
Remove cylinder heads and inspect.----It is always cheaper to repair if you can do the work yourself.----Finding a dealer that will rebuild is not easy.-----At $100 it adds up quickly.------These crossflow motors are famous for broken piston rings.
