Bilge Water in 1980 Crestliner Crusader: Causes & Solutions

QuestionHowdy, I have a 1980 amf crestliner crusader 770 with a 115 johnson. Took it out last week and it seems to be taking on too much water in the bilge

Bayliner 15' Powerboat Performance Issues: Troubleshooting & Solutions

QuestionHello i just bought a 89 or 90 bayliner(dont have to title yet to know for sure) 15 with a 50 hp force. After our first trip to the lake i was very

Mercury 115 HP Outboard Stalling When Pulling Skiers - Troubleshooting

Questionhi Ron - have a 95 Stingray 551 w a 115 OB Merc. usually been running fine but yesterday was stalling when throttling up to pull up a skier.  

Understanding RPMs for Your Sea Ray V-6 Engine

QuestionHello.........thanks for taking the time to help us out. My husband and I have a 1995 Sea Ray V-6 4.3 Mercruiser.  The boat has 260 hours on i

Regal Commodore 1986: Addressing Hull Moisture & Osmosis

QuestionI am looking at purchasing a 1986 regal commodore.  The moisture level was high in a 2x3 ft section in the rear quarter.  If the leak is

Troubleshooting Overheating 5.7L Mercruiser 260 HP Engine

QuestionI have a 1985 Sea Ray Sundancer 25?the previous user blew the motor.  I bought a used drop in 5.7 Mercruiser 260 HP (I think the motor was mad

Outboard Motor Compatibility for 1989 Lowe 170 - Johnson 40HP

QuestionGreeting Mr. Marine, Bought a nice 89 Lowe 170 with blown 89 40hp Johnson with power trim. Do you know how I can find out which motors are compatib

Boat Leaning to Port: Troubleshooting Causes & Solutions

QuestionWhat can cause a boat to lean to the left? 18 v-bottom  aluminum 135 merc, floats level. I hear of incorrectly engine mounting, trim tab, bent

Mercruiser 3.0 Engine Stalling & Acceleration Issues - Troubleshooting

QuestionI have a 1996 Maxum 21 with a Mercruiser 3.0 engine.  I bought the boat used so I dont have the history.  When I am throttling up the eng

Alpha One Outdrive Stuck in Up Position? Troubleshooting & Solutions

QuestionMy Alpha One outdrive is stuck in the up position. I hear the motor running when I push the trim control button on my throttle, but the outdrive do

Mercruiser 140HP 1978 Tilt/Trim Troubleshooting: Down Issue

QuestionI have a mercruiser 140hp 1978. the power tilt brings the drive up to maximum very well, but the down will not move at all. I have removed the cyli

Mercruiser 5.7L V8 260hp Engine Troubleshooting: Compression & Headbolt Sealing

QuestionHi. I am having trouble with a marine engine. Its a Mercruiser 5.7 V8 260hp engine. Its a bit of a long one, but I started with no compression on

Troubleshooting Evinrude 70 Outboard Throttle Issues - No Forward Speed

Questionwhen i throttle forward with my 1974 evinrude 70 outboard the boat doesnt go anywhere, but when i engage reverse it goes, what could be causing thi

Raw Water Cooling System Overheating - Troubleshooting & Solutions

QuestionI bought a raw water cooled 2008 5.7 merc. and modified it for freshwateer cooling. it is overheating pretty rapidly. I have rerouted the plumbing

Troubleshooting a 125 HP Mercruiser Engine: Stalling at Low Speeds

QuestionI bought a cottage earlier this year which came with a 1989 Larson bowrider with a 2.5 liter 125hp Mercruiser engine.  I have used it a few ti

Troubleshooting 1987 Yamaha 130 HP Outboard Starting Issues

QuestionRon, I have been trying to help a friend with his 1987 130 hp Yamaha on his Grady White 20 boat. He recently bought the boat from a relative who di

Damaged Boat Shaft: Risks and Repair for Your 21ft Vessel

QuestionHi Ron,We were boating yesterday & struck rocks with Honda Four Stroke 130.Boat is 21 feet. Bent the shaft.Will it damage the boat using it this wa

Optimal Propeller Selection for Donzi 22 Classic with Cobra 460 Stern Drive

QuestionQUESTION: What would be the best pitch prop to maximize top speed. ANSWER: Hi Craig...thanks for selecting the undersigned to reply to your questi

Troubleshooting Intermittent Spark on a 1995 Johnson 40 HP Outboard

Questioni have a 1995 40 horse johnson that is getting intermittent spark. one day it will fire,the next morning it wont.i have replaced the safety lanyard

Troubleshooting Left Steering Issues in a 1986 Sunrunner Boat

QuestionMy boat wants to steer left.  It is a 1986 Sunrunner 21 ft 170 merc engine I/O.  I have adjusted weigth distribution.  I have adjust