I now understand your concern about catching the narrow lip of the flywheel without damaging the mag plate. It sometimes is called a flywheel turner and is available through tool outlets and auto supply stores.
It goes without saying that a gear puller which hooks to the outer edges of the flywheel should NEVER be used on a flywheel.
How to remove outboard engine flywheel without puller. Quick and easy essential if you intend to service your rotor stator associated wiring or some carburetor linkage. Place a flywheel strap wrench around the outside of the flywheel. Remove the flywheel retaining nut from the engine crankshaft with a socket wrench while holding the flywheel with the flywheel strap wrench to prevent the flywheel from turning.
Slide the recoil starter cup and washer from the crankshaft by hand. Ive never needed a puller to remove a flywheel. I use prybars and wood blocks to give me leverage.
I move back and forth and side to side. The trick is lubricant and patience. A little here a little there.
You can tap the crankshaft to shock any rust off just dont smash it crazy and break something. It will all the sudden pop loose. Flywheel removal without there special tool.
Use a screwdriver in the 1 cylinder spark plug hole and set it to top dead center. 1 cylinder Should be starboard bank. Now rotate outer flywheel until timing mark indicates TDC and bolt it down.
Yes a strap wrench will work for removing the nut but so will a simple flywheel holding tool. You can go buy a 1 wide piece of flat stock from the hardware store. Cut one strip about 8 long and drill a hole big enough that a 8mm bolt will fit through it.
I usually put the nutt back on but not screw it all the way down. Leave a little space between the bottom of the nutt and top of the flywheel drop a socket over the nutt make sure the socket bottoms out on the nutt and does not touch the flywheel either. While prying hit the socket with big hammer it should pop loose never ever never ever hit the flywheel directly with any thing you can break it easy this way or crack it and not know it then while the engine is running the flywheel.
Not a good idea to apply heat flame to the flywheel. Have the puller bolts even OR if shoulder type bolts tightened down to their collar. Tighten the center puller spindle dow as much as possible.
Use a hefty pry of some kind to pry up under the flywheel so as to eliminate whatever play exists. What usually happens the sharp rap on the nut along with the weight of the motor drives the motorcrankshaft down slightly leaving the flywheel where you are holding it and will pop it off the crankshaft taper allowing you to then remove the nut and lift the flywheel off. DO NOT try this without the lifting as you may damage internal parts.
Joined Dec 14 2009. 8 Mar 1 2012. Shouldnt use a gear puller it will damage the end of the cranks oil journal just go to a machine shop and have thread a piece of tubeweld a nut on to it and put a nut on the end of the crank to pull againsti have made 2 of them and they work great.
Lifting the flywheel should Allow the shock of the hammer blow loosen the flywheel without crushing the crankshaft. In extreme cases heat is used to expand the hub. It sounds like you are doing all the right things.
It goes without saying that a gear puller which hooks to the outer edges of the flywheel should NEVER be used on a flywheel. All I can add is be patient. The flywheel on an outboard will need to be removed when repairs are needed such as the motor not starting properly.
In order to access the crankshaft of the motor the flywheel will need to be removed from the engine. You can remove the flywheel from a mercury outboard motor by keeping the flywheel stationary and using a special tool called a. In this manner how do you remove a flywheel.
The flywheel is held in place by retaining bolts which you can find in its center. Remove these with a wrench and then carefully remove the flywheel from the crankshaft by pulling it away. Put the replacement flywheel in its place and replace the retaining bolts tightening them firmly.
Because you cant place the strap wrench without first removing the gas tank. If you use a conventional puller you can remove the flywheel by following these steps. 1 Remove recoil housing 3 screws.
2 Remove fine-wire spring-retainers 3 from recoil ratchet pawls on pulley and lift off equalizer disc. How to Remove Flywheel. Remove flywheel cover from the Mercury OptiMax engine.
Disconnect the spark plug wires from the spark plugs so as to prevent the outboard engine from starting when turning flywheel. You need a good quality automotive or marine gear pullerKD makes a good oneTo remove the main nut you need to keep the flywheel from turningI made an anti-rotation tool from some flat steel stock about 3 feet long and drilled the mount holes on site A 2nd person to hold the flywheel helps when removing the nut. Remove the flywheel cover.
If the cover is secured by rubber grommets lift the cover at one or both ends to pull the cover off the grommets. If the plastic flywheel cover does not coming off easily check closely for any fasteners. Use a pry bar to move the automatic tensioner out of contact with the drive belt.
It sometimes is called a flywheel turner and is available through tool outlets and auto supply stores. Do NOT use a 3 arm puller you need a 3 bolt puller like a harmonic balancer puller and the correct length high-strength bolts. Get the service manual first.
Why do you want to remove the flywheel. I now understand your concern about catching the narrow lip of the flywheel without damaging the mag plate. In any case a large 3 jaw puller will risk warping the flywheel especially when the flywheel is stuck tight.
That is why flywheel pullers exert their force near the center hub of the flywheel. You will get it.