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mercruiser, inline 4 cylinder 140. engine number B404271. overheats at full throttle. already replaced thermostat and pump impeller, pulled hose off of where it goes into the engine and there is water flow. Like i said, it only overheats at full throttle and takes a while to actually...
Alpha gen I, (later MR I think). after changing a gear and clutch dog i was putting the drive back together, i got up to where you install the bearing carrier, which i did and then installed the retainer nut etc... What i have a question on is how far i should be able to pull the prop shaft in...
alpha gen I. I have taken the drive apart because of shift problems and found the foward gear clutch jaws were rounded off. Is there anywhere i can get just the forward gear without buying a set of gears because i can't seem to find that anywhere. if so is there a part number?
the two o-rings on the yoke that goes into the drive coupler, when fully installed should those o-rings actually sit under the gimbal bearing or just before the gimbal bearing on the drive side. I was just wondering because i have a new shaft and it goes in and sits just before the gimbal...
maybe someone can tell me what drive or motor i have here. On top of the engine the carb cover says omc cobra, on the transom assy the gimbal housing has OMC stamped into it. However, everyone is telling me my drive is a volvo drive. After looking around i noticed that the cobra drive and my...
I am trying to align a tranny to a coupler. Had the tranny removed and replace but am using the same mounts as before. I put the tranny in and in its natural position, where it lies now compared to where the coupler is does not line up. I have to pull up on the shaft quit a bit to get them to...
force, 90hp. 2 cyl. the lower cylinder isn't really firing all that great and when i pull the plug it has water specles on it. but what i'm confused about is that it had good compression. is that possible?
Mercruiser, 5.0L V-8, carbed. 1996 I think
The thermostat part number is 55131A5 or 18-3532 i think one might be an after market number because both show the same one.
Anyway, i'm replacing the housing and i got the new one but i was looking at the old one and i see some sort of a brass? ring...
just wanted to update on a problem i was having during the winter that still has some open questions about what went wrong. omc cobra drive, the drive was stuch and we couldn't get it off no matter how hard we tried during the wither. well after we took off the shrink wrap we got the engine...
johnsons bombardier engine model J115PXSNF serial 04996594 year 2002. the boat is an aquasport.
i am looking for a new tach but can't find one anywhere. the tach has no company name on it so i don't know if its johnson, bombardier, or aquasport. Its got a number on the back that hasn't...
mercruier, 2007, mpi. in a chapparelle boat.
the switches for the batteries have directions
1) turn on engine battery switch
2) turn on house battery switch
3) turn off emergency parrallel switch
for some reason if i have the switches set up according to those steps the engine won't turn...
I'm trying to measure what I need for the pinion gear to be shimmed correctly. I'm using the correct tool that the book says 91-67441. The tool goes into the gear housing where the bearing carrier goes and you put a feeler gauge between the tool and the pinion gear and you have to get it at...
omc cobra drive 1995. got all the bolts removed and this isn't the kind that has the shift cable so there is nothing else holding it. i'm not going to mention what we did to try to get it off but it just won't come off past an inch. looking up in the boat you can see that the rubber from the...
I've got a Yamaha Z250TURB HPDI 2 Strk. I tried to run it on the hose connection that is connected to the engine (not using the ear muffs) and it took the water fine but there did seem to be a lot of steam. I then tried to hook up my antifreeze bucket to the hose connection and it wouldn't...
i have a merc 350, not sure the year or model number but it is standard ignition with points condensor rotor and cap. The timing spec is 8btdc.
when i shine my timing light on the mark should the mark be at 0 or 8btdc.
Also, i have one of those timing lights with a knob that you can adjust. I...
i had this problem posted previously but couldn't find the post.
I got a cruisader v-8 carbed 4 barrel. not sure the year.
after about 40 minutes the starb. engine will begin to stall and i have to keep it at about 2000 to keep it able to run. If i shut the engine down and let it sit for...
4.3L LX merc with balancer shaft. 1997 hull.
Had strange popping and flames out of carb when i went to advance just past idle so i thought it could use a tune up.
started doing tune up when i saw rusty plugs and water in cylinders. Turns out to be bad manifolds. I still had those one piece...
i've got two different books telling me two different things.
i've got a 4.3l LX Vortec engine one book tells me to torque the valves down to 22' lbs while the other book tells me to go one turn past no lash. any idea which one it should be
model number from engine is OK010261 it is a 1997 hull
got the drive in a stand, seperated the unit to do the pump and i wanted to do the u-joints as they are rusted. pulled the u-joints then pulled the upper drive shaft out of the housing and found that it was sheered right above the gear. thats no problem it didn't cause any other damage and is...
1.when installing heads and adjusting valves on a merc 4.3L vortec the manual says after no lash is felt to then turn one full turn, i've always been told that that is too much that 3/4 of a turn is better. what would be better?
2. on a v-8 350 merc. i am installing 3" spacers under the riser...
