problems

My XPDI wont start, if i remove the spark plugs, the engine turns over fine, but then if i put the plugs back in the engine wont turn over, seams like it dosnt have the power to turn it over. i checked the battery and is reading 11.78v which i belive is ok!? any ideas? it was starting fine about...

Hi All, Hope you can help. I am considering a used Islandia (240HP) to use in a water sports business to take folks on snorkel trips. I like the boat because of the great design and large seating capacity (12). My concern is that I am in the Caribbean on the small island of St Kitts. We do...

Just bought a 2004 Sportster LE boat. Does not take off like it should. Compression is good and dealer gave it a tune up, but did not drive it. Took it out and the RPMs get up, but it's like the trim, if it has one, is not right. Like an outboard with the trim all the way up on takeoff. Does...

I have a twin engine 95 speedster. I have been having trouble getting one engine to fire up even though it turns over fine. I did a compression test and it is good. So I figure maybe it is not getting fuel. So I put a little gas in each cylinder and sure enough it fires up. Furthermore, it runs...