1958 10 hp sportwin

[kawk]

im atteppting to repair this 58 model 10016. when i removed the flywheel the cam was below the bottom of the key. i have swaped out a used servicable strator plate. i have changed all the magneato parts. my trouble is when i put the fw back on and tighten the nut just a little the fw hits the top of the coils. ive discover that the cam is cracked at the key groove. yes i need a new cam .but, is the cracked cam allowing the fw to come down to far. i assumed that the taper in the top of the crankshaft would not allow the fw to go past its proper ht. is my cs bad? is it the cam? is it the key? thanks in advance.

 

[tashasdaddy]

Re: 1958 10 hp sportwin

i tink we need joe or paul on this one. they'll be along.

 

[kawk]

Re: 1958 10 hp sportwin

thanks TD,
just thinking out loud again, perhaps a fw fw? the seal spring seems good but wouldn't wouldnt really know.

 

[kawk]

Re: 1958 10 hp sportwin

that should say warped fw

 

[Paul Moir]

Re: 1958 10 hp sportwin

A cracked cam is usually the symptom of a flywheel hub that's spread. Your other issues seem to agree. Carefully examine the hub of the flywheel for cracks, etc.

The taper is supposed to be the stop, not the cam. So either your crankshaft taper is too small or the taper on the flywheel is too large. I suppose it's possible someone tried to grind one or the other, or you have the wrong flywheel on there, but the most common cause is the flywheel hub cracked from over torquing the flywheel nut or the presence of oil or grease on the taper itself.

 

[kawk]

Re: 1958 10 hp sportwin

this motor ran excelent for the last 20 years with no maintanance other than changing the lowercase oil every fall. i think that elimanates over touquing but not a cracked fw hub. the presence of grease on the crankshaft intrigues me as ive read of a similar prob on another post. i will check for any cracks on the fw hub. hope fully its the fw and not the cs. thanx for your time and im sure this is not my last post. lol

 

[kawk]

Re: 1958 10 hp sportwin

this motor ran excelent for the last 20 years with no maintanance other than changing the lowercase oil every fall. i think that elimanates over touquing but not a cracked fw hub. the presence of grease on the crankshaft intrigues me as ive read of a similar prob on another post. i will check for any cracks on the fw hub. hope fully its the fw and not the cs. thanx for your time and im sure this is not my last post. lol

 

[kawk]

Re: 1958 10 hp sportwin

i know less about computers than i do about old evinrudes. please bare with me

 

[Paul Moir]

Re: 1958 10 hp sportwin

That's fine. Is there any end-play on the crankshaft at all? Can't be that if it's only a slight bit (which is normal).

One other thought - is the armature plate on which the coils sit really wobbly?

 

[tashasdaddy]

Re: 1958 10 hp sportwin

ok hawk, this is the man you need. mr paul moir.

 

[kawk]

Re: 1958 10 hp sportwin

paul,
the first thing i did was degrease the crankshaft. then i cleaned the inside of the fw. i inspected the hub for cracks and i dont see any. of course this dosnt mean that it isnt cracked. i then put the cam and fw back on and cranked it to the proper torque. the tiller throttle is still hard to turn but not as bad as, before the degreasing. by the way the crankshaft was slathered in grease. now i know better.
the armature plate has some play in it. play that i would have to think is normal considering how the retaining ring has play. not sure what you mean by end play with the crank shaft.
to sumarize, i think the fw is cracked or some how warped. i have a internet pal i met via ebay. he was an e and j dealer for 30 years. he has mentioned the probs that this fw has had. but you never know when someone is blowin smoke.
feel free to tell me if im wrong and where i could get a servicable cam and flywheel. stone and son want 40 for a cam , i cant imagine what they want for a flywheel.
thanks for your time
phil

 

[tashasdaddy]

Re: 1958 10 hp sportwin

end play means is there any slack up and down on the crank shaft.

 

[kawk]

Re: 1958 10 hp sportwin

hey td,
i cant find any movement at all on the cs. so im hoping thats good.
my owners manual parts list, calls for fw# 580218. the fw i pulled off is stamped# 580203. any idea what the 203 comes off of? does the fact that a 203 is on there denote any problem that was being corrected?

 

[tashasdaddy]

Re: 1958 10 hp sportwin

might be why its cracked, not the right part. when people try to remove these and do not follow the correct procedure, the crack or break the flywheel, it's probably one they found and tried to make it work, put the right on on it. you'd be surprized how some people bastardized these old motors.

 

[kawk]

Re: 1958 10 hp sportwin

thank you td and mr. moir,
purchased a servicable fw and magneato cam. installed them and on the first pull im back boating again. the taper on the old fly wheel had some how widened. now just a couple of agjustments to the needles and i should be all set. 1000 thank yous!!!

 

[tashasdaddy]

Re: 1958 10 hp sportwin

fantastic!!

 

[Paul Moir]

Re: 1958 10 hp sportwin

Good to hear! I was reading a post about a (I think) 10hp that had the same problem, which was definitely caused by previous owners overtorquing the nut.

Have you seen this?
http://1958evinrude10hp.0catch.com/Evinrude1.htm
(popup blockers on full alert!)