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    How to Winterize: risers specifically

    Bought a new closed cooling 383 mercruiser stroker with the single point drain. However can not figure out if the exhaust risers need draining. I have poured through the manual and interwebz but nothing specifically calls out draining the risers. Ive opened the drain plugs and emptied the raw...
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    What caused this? Blown head gasket, cracked block between cylinder 4&6

    350 mag mpi twins with bravo 3s. Port engine started having trouble starting when hot, had to crack the Throttle to start it. This weekend noticed some unusual sounds when starting between tuber riders. Temp gauge did nothing out of the ordinary since 3 years Ive owned it brought it home to...
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    IAC and Coil Part Numbers?

    looking for part numbers for the IAC idle air control valve and ignition coils. Have Formula BR280 with Model: 350 Mag MPI 4442067M1 SNs. Drives: 0L745506, 0L745507 2.00R Engines: 0L643912, 0L643910 Transom: 0L838995, 0L838998
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    Prop Help - Formula Br 280

    2000 formula 280BR. Twin 350 Mag mpi with bravo 3s, 2.0 ratio. Tried hill marine 4x4 24 p props but considering going down to 22. Loaded with 6 adults and 7 kids under 8 years old, I could only muster 3800 rpm at 38 mph via gps. This was the best result i could get playing with trim and tabs...
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    Marine toilet, which valve: brass, stainless or plastic

    I repaired the jabsco manual toilet similar to whats pictured here and when I removed the pump, a lot pf water/RV antifreeze came out of the discharge hose. I was lucky that no poo water was present at it has been flushed but if I ever had to do this job down the road, I want a valve between the...
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    Anti-seize recomendation

    achris you, long ago, recommended an antiseize or grease for underwater bolts? do you remember what it was?
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    Closed Cooling? Which one to buy?

    I’m trying to figure out which closed cooling system to go with. I have narrowed it down to Orca sold by Hardin/CP Perf or Monitor sold by Perf Protech. There is a significant price difference between the two; Orca is going for about $1600 each. The Monitor system through performance Protech is...
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    Going to closed cooling - oxalic acid flush?

    Twin Merc 350 mag engines, changing over from raw water to closed cooling. I remember another member, maybe tpen
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    Replaced Bravo Steering Swivel Shafts

    Had to do the full transom service since the boat was new to me and bellows were showing cracks and aging. Swivel shafts were rusty and one side had evidence of water leaking into the boat. I did not want to cut into the transom housing nor did I have the means to remove the engines. When...
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    New To me boat - Formula 28’- Trim Questions

    2000 Formula BR 280, twin 350 Mag with Bravo 3s. first season to me. Previously had a 20’ with single MCM 260 5.7 V8. Question is what should expect when trimming up? ive never had a boat this large and props will ventilate quite quickly with little bow rise in comparison to my previous 20’...
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    Formula - 280 BR - Pulling engines, what else?

    2000 Formula BR 280, twin 350 Mag with Bravo 3s. Need to pull the starboard engine as I have coupler that will align but is off when turned 180*, and then back in alignment when back 360* around. Going to replace the coupler but what else do I need to do when in there? Exhaust boots...
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    Going to Attempt Bravo 3 Prop Shaft Seal Replacment.

    While doing maintenance on my bravo 3 drive I noticed the smaller, inner prop shaft seal had a 1/4” section of the keeper spring sticking out underneath the seal. Seal is not leaking but it looks like it’s only a matter of time as the keeper spring should not be sticking out. I have ordered the...
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    When to Bravo Steering Pin

    Purchased a used Formula BR 280 I have the drives and bellhousings removed to replace all bellows and related parts. How do I tell of the upper steering pins should be replaced?
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    Bravo Bellows: Sei kit vs Mercruiser kit

    What is the consensus of the quality of the bravo belllows transom service kit made by SEI vs Mercuiser. Im seeing a $200 price difference per kit and I have twins.
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    Buying boat: Bravo 3 drive questions

    I am looking at a 2000 Bowrider with Twin 350 Mags and B3s. But it has the older style B3s. Before the Bravo 2000 SN 0M100000) drive serial 0L7xxxxx. Am I setting myself up for failure buying the boat with the older style drives?
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    Lets Stop Closing Threads

    Something that has frustrated me about this forum. Closing threads. Great example here. He designed a 3D printable part as a solution to a prior problem and was NOT selling it but rather made the file available for free download. Maybe I'm alone in this but couldn't we be a more helpful...
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    Considering used purchase: Formula BR 280

    Wanting to purchase a formula bow rider BR 280. I have a 1978 20 foot Sea Ray 260 hp open bow right now, and the limiting factor is 8 people. Makes it difficult when families with three kids want to go out with us. Need to know what engine combinations I should avoid, or look for. The boat is...
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    Mercruiser 5.7 manifolds - log vs centerise

    1978 Searay 207 with Merc 260 5.7 engine. It is equiped with what I believe to be the original log sytle manifolds. I am going to replace them this off season. Is there any benefit to upgrade to the current centerise style? New log manifolds appear to be cheaper.
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    3 to 4 blade Prop - '81 SeaRay SRV 207

    Boat is a 1981 SeaRay SRV 207 (20 ft) with MCM 260 Horsepower Chevy 5.7 V8, Alpha drive. I previously ran an aluminum Michigan Wheel Vortex 3 blade 14.5 x 19, would top out at 4600 rpm, dont know speed. Looking to go to 4 blade for more holeshot, not concerned with top speed but want it...
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    Shifting Issues - Merc Alpha 1 Stern Drive

    I have a 1978 SeaRay 207. 350 GM V8. Drive is a reman Alpha 1 gen 1. Everything runs great except boat will fail to shift into reverse, but only when the boat is moving forward such as maneuvering to get into a dock slip, using reverse to slow forward momentum, ect. It seems to only be when...
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