I need some advice from some experts in the forum on engine oil for Yamaha 4-stroke engine. I am currently living in Guam and the weather here is hot all year round. I am spending 10-15 hours in the water running hard or throlling for several hours. From the manual, the recommended engine oil...
I have a question on propeller diameter. What does the size of the diameter meant for propeller in relation to speed, fuel economy, and power?<br />I have twin 100-HP 4-stroke Yamaha running with 13 1/2 X 15 aluminum prop and would like to change to stainless steel prop. Thanks for the...
I am considering changing my propeller on 100HP Yamaha 4-stroke from aluminum to Stainless Steel. I have no knowledge regarding this change except from my reading. I like to hear any comment on type and performance of different brand of Stainless Steel blade. I am running 13 1/2 x 15 Aluminum...
What is the best engine oil for 2003 Yamaha 4-stroke? I just purchased 2 100-HP Yamaha 4-stroke and cannot get a straight answer from the dealer. Which one would I use:<br />1. 10W-30<br />2. 10W-40<br />3. Mobil 1<br />4. Can I add any oil additive to the engine like Slick-50?<br />Thank...
Good morning,<br />I have a 20 foot powercat that I recently powered with twin 100-HP 4-stroke Yamaha. My stern is noticeable more heavy than before. During take off, my bow rise a lot more than I want until the boat is planning. I also notice with throlling speed, my bow remain high. I had...
I finished the break in period for 60 HP Big Foot 4-stroke Mariner and have a total of about 50 hours on this engine. I would like to ask if anyone ever use Slick-50 engine oil treatment for car in a 4-stroke boat engine. Would it provide the same protection in boat engine as in car engine...
I would like to ask for opinions on the best way to clean boat deck after a day of fishing when you have dry blood, dirt and grime on your deck. One dealer in Florida on my last trip suggest a solution of half bleach and half water to clean the boat deck in order to keep it the deck white and...
Good morning,<br />Does anyone know where and web site can I use to buy throttle cable for Mariner 4-stroke? I have Quicksilver throttle box control and need 24 and 26 foot long throttle cable. I live in Guam and there is no dealer here on island. I would appreciate the comment. Thanks.
Good morning,<br />Does anyone know where and web site can I use to buy throttle cable for Mariner 4-stroke? I have Quicksilver throttle box control and need 24 and 26 foot long throttle cable. I live in Guam and there is no dealer here on island. I would appreciate the comment. Thanks.
Good morning,<br />I need some help and suggestion in choosing the right propeller for my boat. I have been reading a lot on this subject but would like some opinions from the experts.<br />I have a 20 foot power catamaran that I just bought as used boat. I cannot find any specification on...
