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  1. W

    Alternator Pully

    I have a 250 Inline 6 165hp. Everything is new (under 100hrs). I noticed a noise coming from the Alternator pulley, like the pulley is no good. It is still charging the batteries, but the noise is coming from a low idle rpm. If I rev the motor to 1200+ the noise stops. Everything is lined...
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    Shifting Issues

    Splashed the boat on Wednesday for the season. Prior to putting her in went thru my normal safety checks, start, run to opwerating temp, compression check, no engine leaks, shifts forward neutral and reverse, and of coarse the bilge pump. All checked out fine on blocks. When the boat went in...
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    MC-1/Alpha 1 Trim Issues

    Re: MC-1/Alpha 1 Trim Issues As you can see in my pics there is a 1" gap on each side between the drive and the ram. If I force it to bolt together, I'm afraid of bending the rams. In addition the pistons disconnected do not both move symmetrically. These issues started when I changed my...
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    MC-1/Alpha 1 Trim Issues

    Re: MC-1/Alpha 1 Trim Issues Not the greatest pics but here is the new style pump I have to install, a shot of the housing before I installed the drive, and a cold up of the pistons. Take notice how narrow the end of the piston is. I looked around my marina and found boats with newer style...
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    Barrier Coat or Not?

    So I know there are thousands of threads out there on this topic but here is another. I have a 1974 21' cuddy cabin. The boat is kept in NY salt water 6-8 months a year and kept on blocks during winter months. There is roughly 8 coats of bottom paint which I plan on stripping this year and...
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    Everglades cc???

    I'm looking at a '13 Everglades 325cc for a family member. The boat comes equipped with Yamaha twin 350s. I've been doing a ton of research on these and can't seem to find any known problems or any negativity. Seems too good to be true. What are your thoughts? Any first hand experience? How...
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    Sporatic Hesitation and Stalling

    As the title states, I am experiencing a sporadic hesitation when running. The Boat is a 21' cuddy cabin with a fresh rebuilt GM 250 inline 6 (30 hours). The hesitation is not consistant, and sporatic. It is a faint hesitation and barely changes the rpm. It also does not matter what speed I...
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    LED Flood lights

    I'm looking for some advice. I want to install flood lights off my new rocketlauncher, but am unsure what size, wattage, ect. The boat is a 21' cuddy cabin, and I want to make sure there is enough brightness to light up the entire cockpit area for night fishing. I would like to use LEDs, but...
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    Carburator Issues

    I need to replace the carb on my gm 250 inline 6. I'm currently running a 2bbl rochester and have had nothing but problems. No choke and throttle will not come down to idle unless pull back quick, among others. I've swapped the carb out with the same rebuilt carb with same results. It just...
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    250 inline 6 - Break-In

    So I've got the boat in the water after a new motor install and a few hiccups. Motor running nice and smooth and I now have 10 hours on the break-in. Time to change the oil and make some fine tuning adjustments. I've noticed one problem maybe you guys can give me some insite. At a cold...
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    250 Inline 6 Front Mount modification

    Re: 250 Inline 6 Front Mount modification I ended up using (3) 5/16" bolts w/ nuts and flat and lock washers. I drilled in between timing cover bolts, to not disturb the seal already made when installing the cover. Using 1/4" diamond plate, I made a template and used an angle grinder to cust...
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    250 Inlnie Throttle

    Re: 250 Inlnie Throttle I finally was able tro get the throttle in a good position and move nice and smooth. I extended the screw/bolts that are used to install the cable to both the bracket and carb linkage. I used spacers on the longer bolt/screw, and a 15' cable compared to the original...
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    250 Inlnie Throttle

    Has anyone ever converted a 3.0L 4cyl throttle/carb/linkage to in inline 6? I upgraded the old gimbal housing and transom plate to an Alpha 1 form the old pre-alpha. When doing so I had some mods to do, which included the exhaust pipe and riser. The lower exhaust pipe is now offset out from...
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    GM 250 Inline 6 - Won't start

    I've finished the install of my freshly rebuilt motor. After a few minor quirks, I've got everything hooked up and connected and ready to run, so I thought. #1 cyl was set at TDC. Distributor set, with rotor pointing to #1. #1 Wire on the cap pointing to #1. All things as they should...
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    250 Inline 6 Front Mount modification

    So I picked up the new rebuilt block over the weekend. First thing I noticed was the tab on the front of the motor on the starboard side was missing. I've heard of a few people making a bracket to fit in between the timing case cover and the oil filter. Anyone have any experience in this...
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    MC-1/Alpha 1 Trim Issues

    I replaced the old pre-alpha housing on the transom with an Alpha-1 Gen 1 gimbal housing/transom plate last year. When I did, I had to use the Alpha 1 trim hoses (larger dia.) instead of the existing trim hose (smaller dia.) because my existing braided hoses would not mate to the housing due to...
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    Re-wiring/battery relocation

    I'm thinking about re-wiring my boat. It's a 21' cuddy cabin I/O, with a fresh motor and outdrive. I want to relocate 1 of my batteries towards the bow, since it gets in the way next to the motor, and I'd liek to be able to remove the rear seats for added fishing room. I have a dual battery...
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    Transducer help with Garmin 546s

    My wife got me a new toy for x-mas this year, a Garmin 546S. I will be installing this on my 21' Scatcraft. This is an old deep-V cuddy. I'm looking for a good transom mount transducer. From what I have found I should go with the P-66, tri-ducer. I dont necessarily need the speed, as I can...
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    GM 250 Inline 6 - MILKSHAKE!!!!

    Background - 21' Scatcraft Cuddy w/ 165hp GM 250ci Inline 6cyl. mated to an alpha one drive, salt water cooled. I replaced the gimbal housing, outdrive, reinforced the transom, and installed a new-used motor this spring. Ran the motor on the stand for a good 30 min, made sure had good...
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    165 Overheating

    So after a long spring/summer, I finally was able to get the boat in the water after new motor, gimbal housing, transom, etc. The good news: No water at all in the bilge:) -Engine sounds fantastic and smooth as can be :):) The Bad: I ran for about 20-30 min at varioius...
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