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Re: Western Auto Supply co. Motor

The parts manual for the WF-4 and WG-4 is on the Wizard site here. about half way down is the parts manual free. The post right after it, is how to convert the part numbers into the last current mercury part numbers.
The instructions given for the operation of the WD-4S motor are good for the WG-4 also.

Use TC-W3 two cycle outboard motor oil in your fuel no thinner than 32:1 mix ratio. Some on this forum use 16:1 mix and others use 24:1. If your motor has needle bearings, I think 32:1 is just about right. Use more oil if yours uses brass or bronze bearings in the power head.

You can get hard to come by parts on eBay by searching "Wizard outboard" and being patient. Lubriplate 105 is used in the lower gear case and is available at Napa auto parts if you happen to have a store locally. Corn head grease is a substitute for lower unit grease also.
The Wizard WF-4 has many parts in common with the Mercury KD4.

If your water pump impeller is bad, you can get a new one made by Bob Scott.
You will probably need the one marked "MERC KG".
You will need to send him the metal core from the old impeller. His contact information is here. Bob is a nice guy. just remember that this is not his main job and he does it out of love for the old motors.

Re: Western Auto Supply co. Motor

I have been "down in basement" again this week. I did some measuring of the
center to center distances of a single tank and a twin tank for KD/WD 3S
and KD/WD 4S of both the rewind mounting holes and the tank to motor mounting
holes to see if and how they differ. Several of the measurements are the same or close enough to be hard to distinguish.
However two measurements are different enough to be quick and positive methods
to determine if a tank (rope or rewind type) is for a single or a twin ...the
front mounting studs are 8 plus inches center to center on a twin and 7 plus
inches on a single. The front mounting holes for a twin rewind are 8 plus inces center to center while on a single they are 7 plus inches center to center.

so for either a tank or a rewind 8 plus means twin while 7 plus inches means single...unless and until someone finds an exception. Perhaps a big to do about
not very much except for those of us trying to track down tanks and rewinds.

I was just looking at this post from louis and it seems there is a difference between the one and two cylinder recoils and the one I give the link to above will not work for your two cylinder motor.

Re: Western Auto Supply co. Motor

Hi Mark,

The ratchet installed on the crankshaft for the missing (in the picture) recoil starter assembly is of the type for a WD4S. We do have a replacement carburetor main adjustment screw knob in stock if needed (, and many other (Wizard WD4S) parts as well. Very cool to read that it was passed down from your grandfather.