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    O-Ring size number for Mallory YS621CV

    The o-ring seal on the distributor housing section that inserts into the engine (2.3L Ford L-4)needs replaced. Does anyone know standard o-ring size number for this part? Local hardware stores have a lot of what appear to be close fits, but I want to be sure I use the size called for. Also...
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    Mallory dist. replacement on '89 2.3l Ford (OMC Cobra)

    The replacement distributors I am looking at for his engine are the Mallory 9-26108 YL (points) and the Mallory 9-26306 YLM (electronic CD I believe). Another option is a Pertronix conversion kit. However, there has been a lot of chatter about performing (or not) a "diode fix" which has me...
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    2.3L Throws Off #4 Exhaust Cam Follower

    This is a 1089 L4 Cobra setup. Tuned timing to ~9 deg BTDC at 650 rpm in gear. Briefly ran motor to 3000rpm. Backfired, then engine backfired every power stroke. Pulled rocker cover and found cam follower laying on head. Hydraulic positioner seemed ok. What would cause this? Reinstalled...
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    Better carb for a 1989 2.3l Cobra?

    I'm running with the stock carb (Rochester 2GC) on this 2.3l pushing a 20' cuddy cabin. The engine isn't gonna put out the power to make the boat leap out of the water, but I'm curious if anyone has experience with carb modifications or swap for a different carb to eke out a bit more HP?
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    1989 OMC (Ford) 2.3 timing/distributor installation question

    Have a 1989 OMC Cobra 2.3l (Ford), Mallory points distributor. The engine starts pretty easy when cold or warmed up. Problem is inability to get over 4000RPM out of it. Ignition parts replacedverified: plugs, coil, external resistor wire ohms correct per OMC manual, Rochy 2GC rebuilt last...
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    Rochester 2GC Main Jet Change for Ethanol Gas

    I have a '89 Cobra 2.3l in a 20' cuddy cabin boat. I run a minimum 89 octane. Where I live the only fuel available has up to 10% ethanol content. I know the engine doesn't put out the rated Hp as it would with straight gasoline. I am seeking feedback on the merits/faults of replacing the...
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    Securing seat post base to plywood/fiberglass deck

    I need to restore my captain's chair seatpost base to the fiberglass deck of my boat. A previous owner had mounted the round base to a slightly larger 3/4" thick piece of plywood and then secured that to the deck with ss sheet metal screws and what appears to be epoxy. It rotted and basically...
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    OMC Cobra 2.3L Breakerless Distributor Installation Concerns

    I am considering replacing the old, original distributor on my 1989 Cobra 2.3l (Ford) with a Mallory mag. breakerless distributor, MAA_YLM621CV. My concern is compatability, or mods necessary, to run with the shift assist module. Does anyone have successful experience in making this...
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    OMC 1989 Cobra Concealed Control Box 174280 Installation Instructions

    Does anyone know of a source for installation instructions or layout diagram for accurately preparing the panel onto which it will be mounted?
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    OMC tiller arm special tool 984146 needed

    I'm working on the cosmetics of my '89 Cobra drive. Internals seem fine. I'm replacing things like hoses, bellows anodes, etc. I am repainting all the parts. So far ok, but I can't locate a used tiller arm puller. Does anyone have info on suppliers or used OMC part #984146? In lieu of the...
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    Gimbal bearing grease injection question

    This may sound a bit naive, but the replacement gimbal bearing I bought has no lateral thru hole in the carrier ring (from outer circumference surface into the bearings). It has the corrugated band that snaps around it. With the grease tube going into the upper housing on the starboard side...
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    Power tilt/trim hose replacement options

    I am refurbishing my 1989 Cobra sterndrive. The four exterior power trim hoses are in need of replacement. I have concerns about material degradation of NOS replacements I've found online. Does anyone know of equal recently fabricated replacements, or of any company that does custom fab of...
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    1989 Cobra 2.3l Ford Warm engine rough low speed/stall problem

    Engine has all new ignition wires, points, condenser. Timing and dwell set spot on per OMC manual. Cold starts right up after a couple accelerator pump strokes to prime. Warms up and will run up to WOT, decelerate smoothly, settles to rough idle at 600RPM. Under load power on the river it...
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