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  1. R

    2 Homemade bellows tools

    I'd just like to share 2 tools I made at home to help install the bellows on the gen 2 OD The exhaust tool had the bellows on in seconds with little issue.
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    West Coast Trailer - hitch pin stuck fast and more

    Hi All we just got a bayliner Capri with a west coast trailer. the trailer has a pivot on the hitch and has hydraulic brakes. ther is a retaining pin that passes through the main member about 2 ft from the hitch. The pin is stuck fast so we can’t open up the pivot in order to connect the hitch...
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    3.0 Exhaust Manifold Removal ?

    Quick check, im pulling the manifold on the merc 3.0, removed 2 nuts on studs and 2 bolts under riser but the darn thing won’t budge - is there anything else holding it on or just the gasket making it stick ? thanks rake
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    Prop Selection Help please - Bayliner 1850 SS with 3.0L LX

    As above - What would be the optimim selction for Bayliner 1850 SS with 3.0L LX motor fitted ? Use will be mixed cruising and sports, 2 - 6 passengers. Standard I think is 14 x 19 but can we improve on that ? Thanks
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    3.0 140 & Aloha 1 gen 2 - things to look out for ?

    Off to view a Capri 1850 as fitted with the 3.0 LC and aloha one gen 2 out drive. its a 1994 engine that has not been run for 3 years. Last time it ran I was out on the water with it. the boat is a steak at $900 as the owner lost interest. any checks that you can suggest ? I’ll be doing...
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    Starter motor bolts too long ?

    Hi all I just bought a new PMGR style starter and went to fit it but could not as the original and some replacement bolts that were fine on the old starter but too long to clear the armature of the new one - please see images only options I see are to either cut the bolts - reducing grab, cut...
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    How to install coolant temp warning light on a 470 with high temp alarm ?

    Hi all, hope this is the right place for this question I have a mercruiser 470 that has the OEM low oil pressure / high coolant temp alarm fitted already. i have successfully installed an oil pressure east Inv light and wanted to also install a coolant high temp warning light too. can anyone...
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    Mercruiser 470 - How to connect later type starter motor ?

    Hi All, I just got a new PMGR style starter to replace the old Prestolite on my 470. Can anyone advise how to wire the PMGR in and of course still retain the slave solenoid ? I understand that the red tot he battery goes to the positive large terminal on the starter, but what about the other...
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    470 Compression results after engine rebuild

    Hi All, ive just installed the 470 after a full rebuild and she runs nice and quietly but I have odd compression results. tested cold I get 100 125 115 120 i would have expected closer to 150 psi ? now the head has been skimmed flat and the valves reworked. coukd the compression result...
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    470 head re torque - coolant release

    evening all. i jist re torqued the head on my 470 according to the manual and this post https://forums.iboats.com/forum/engine-repair-and-maintenance/mercruiser-i-o-inboard-engines-outdrives/635086-3-7-mercruiser-re-torquing-head I ran the engine is a full operating temperature and then...
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    Merc Audible alarm issues and no temp reading

    a couple of days ago I started my engine (1978 470) and got a panic moment when the audible low oil / high temp alarm didn’t stop after starting the engine. A quick glance at the oil pressure gauge received the panic as it showed 40psi pressure. i then letvtje engine heat up - alarm still going...
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    470 poor starting after rebuild

    Well I finally got her started today and she runds nicely. She did take a long time to get started but once running the engine is like a sewing machine so I am pleased. Residual issue is that she is hard to start even once warm. I set the ignition timing using a strobe to 5 degrees btdc. I did...
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    Trim Cylinder Pin / Shaft removal ?

    Ok so here is the problem I have later rams with an early MC1 drive which has the shorter pin in the aft hole in the drive. the cylinder bushing is too big to go on the drive pin so what can I do ? one idea is to remove the shorter pin and replace with the later 10.5 inch pin but getting the...
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    Bendix / Starter gear sticking in flywheel ?

    Came to start my rebuilt engine, timing not set, no start, weird clinching sound every few turns then bendix sticks in flywheel on a slight angle. Looks like it might have ridden over teeth ? ill pull the starter at the weekend but why would this happen and how to avoid reoccurrence ? could a...
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    470 drive won’t go on - engine alignment ?

    Today I tried to fit the out drive back on bell housing after replacing my engine with another. The drive would not go all the way home and was an inch also from meeting with the gasket surface. I tried to remove and reinstall the drive and number of times only to encounter the same problem...
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    470 Rookie Mistake - forgot to prime oil pump - help

    As the title suggests. i jist completed a full rebuild of my 470 and forgot to prime the oil pump. i did align it with the distributor shaft though. the engine is now fully built and installed in the boat but when I tried to get oil pressure by cranking, it won’t even fill the oil filter. i...
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    470 shift interrupt and trim senders wiring

    Evening all, my 470 has never had the interrupt or sender wiring connected and I’d like to fix that. the loom has 4 wires emerging from the rear. A pair of gray terminated to the same ring connector and a single brown and single black with no connectors on. I’d like to ask which is which and...
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    470 Starter Motor Wiring - New Starter with Solenoid

    Hey All, I got the new engine in this weekend and connected up the starter as I could remember but nothing happens when I turn the key. I have the slave solenoid still present but have removed the voltage regulator and stator being the only difference from before. I have battery Red going to...
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    Rear engine Mount Question 470

    Quick question you you all. Im installing the 470 tomorrow and looking at the mount kit I have it has Mount Spacers - part B in the link http://www.glmmarine.com/pdf/Instru-21045.pdf The manual makes no mention of these but they are present in the mount kit. I assume I just leave them out...
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    Merc 470 Exhaust Woes.

    I am replacing the engine in my boat for a rebuilt 470 and today had to halt the old engine removal due to what seems like an unpleasant discovery pertaining to the exhaust collectors. I removed the frankenstein exhaust pipe that was made from an oil pipe of the appropriate diameter and mated...
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