how do you convert a 1974 johnson 6hp outboard motor from a long shaft to a short shaft?
345884
You just buy the lower unit and replace the old one with the new one.  You will have to get new oil and gaskets, but other than that it is a pretty simple bolt on procedure.\nHope this helps!
1053573
Best bet is to speak to boat manufactureres. Remember some years ago my dad had the same problem but manufacturers very helpful. Advised correct height above transom, distance offset (left or right) and prop size.
126497
Try the manufacture web sight with the same info
106766
if you go to http://fiberglassics.com, and ask this question in the forum, there are members there that will walk you through what you need to do.\n\nit is a free site, all's you have to do is reg. you email to post in the forum, please don't worry about spam from fiber, sandi and kelly (the owners)just don't play that game.\n\nthe last couple of years I have been restoring a 59 thunderbird and found the site very helpfull, heck don't let the name fool ya either, any boat owner is welcome rather it be a woodie, a clssic fiberglass, a lummie, or cement....as long as it gets wet.\n\nlook for me there under the still in use under thunderbird in the "to the boats" section.
259988
ODIN 6.2.0.4 FT-ENGINE
442788
Your going to need at least 400 hp to make that happen. Assuming you had right at 400, you ET would be 12.44 with a 109.5 trap speed. I would build a 383 stroker out of it.
389921
Unless you have very expensive machine tools, I suggest you go to the local Hobby store. You can install your own pre-built engine. It's cheaper easier and does not require tools you probably can't afford.
130321
all i could find is a holly rebuilt carb from summit racing...part # HLY-64-7224...also any particular carb with same mounting pattern of your choosing
420692
An old boat like that will be really hard to find replacement parts for. Also depending on what specific parts they are. You may have to just but new equipment for some parts like motor, nav, etc. Other parts you may be able to find on e-bay.
635904
Come on man... Its a Miller... you can get most of the parts you need for a full rebuild at a hardware store. Try Marvel for a manual.
424547
the 302 only ran from 68-69.\n\nthough you can make your own.\nthe 302 shares the same bore as a 350, but the stroke is 3.00" instead of 3.48", so you have to get an aftermarket crank with a 3' stroke. get the correct length pistons and rods and you have a 302.
860364
take off your cranks and tighten everything and oil it all. this will make it run smoother and your parts wont come lose, maybe get a new B.B. if that one is old. Tighten that lock nut realll good and you will be in good shape.
802593
Changing out your six speed cassette for an eight speed is doubtful without changing the hub-set. you may get away with adding one gear but two is doubtful, another thing too look at is the spacing of your chain-stays they too may not accept an eight speed hub-set without being stretched to the point of breaking. \n\nRemember every time you add a gear and a spacer for that gear you add approx. 1/8" in width to you cassette. Your six speed cassette should measure approx. 1-1/4" from inside to out an eight speed is approx 1-1/2" grab a tape measure and check.\n\nYour question states will I be able to transplant a 8 speed cassette straight onto the 6 speed freewheel?  That's also a no no as a freewheel is threaded onto the hub-set and a cassette uses a lock ring to secure it in place, again you would have to replace the hub-set to use a freewheel, they won't interchange.
9963
I've been looking for other things on the web and found this site. If they don't have it you may be able to ask them and they could tell you of another place. The website is www.manuals.us
51345
Very easy. My 14 year old son can fix any of the above. If you're a teenager, join your local 4H club, and select Small Engine Repair as your project. You will learn step by step, and best part is, it's free.
962416
For the Do-it-yourselfers out there, here's how to change your own oil!\n\nYou will need the following:\n\nOil suction pump, vacuum canister type recommended\nE12 Torx bit socket\nMetric sockets (optional)\nRatchet\n3L Sea-Doo 5W-40 Mineral oil for SC, 10W-40 for NA\nNew Oil Filter\nNew oil filter canister cover and bolt o-rings (optional)\n\nMake sure the craft is level. Start the engine and let it idle for 30 seconds.\n\nOPTIONAL\nUnsnap the cooling reserve tank from the seat brace, then remove the four bolts securing the seat brace to the hull. Set it and the air duct attached to it, off to the side.\n\nNext, use a small tube with your oil pump (we used Sea-Doo RAVE valve lines) and feed it down the dipstick tube. Remove the oil fill cap and suck out all the oil you can get, which will be 3L.\n\nNext, use an E12 torx socket to loosen the oil filter cap located right behind the engine. Pull the bolt straight up and gently wiggle the cap off with it. The cap may be difficult to remove, you can pry gently with a screwdriver between the canister and cover if you need to. Remove the old filter and replace it with a new filter. If the o-ring on the center bolt or the o-ring on the cover is damaged, replace them also. Lubricate the o-rings with engine oil and be sure to center the filter and cover while installing, making sure the o-ring lines up with the step on the filter.\n\nRefill the oil system with 3L of Sea-Doo oil and replace the dipstick. Replace the seat bracket and coolant reserve tank.
128153
You need to get the casting numbers off the engine.\nThis will show you where to find them\nhttp://www.mortec.com/location.htm\n\nAnd this will show what year and size it is\nhttp://www.mortec.com/castnum.htm