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Massey 10 Tecumseh Camshaft Problem


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#1 pwombles OFFLINE  

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Posted April 15, 2013 - 08:36 PM

I have a Tecumseh HH100 in the Massey 10 that I recently purchased. Previous owner changed the engine to a HH100 from a Wheel Horse Charger . I also received the original engine. The wheel Horse engine was a solid state while the original engine was a oints engine. Due to block issues the original is not usable. However, they are almost identical engines, so i decided to change the back covers so the wheel horse engine could be a points engine. then I can change the front covers and use the original cover with the belt guard for the starter generator. The only problem is that the cam needed switched, which was not a problem, BUT the points engine cam has a tooth missing. Is this a major problem? Problem is that I havent been able to find a cam for a points engine. Any thoughts????


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#2 olcowhand ONLINE  

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Posted April 15, 2013 - 08:40 PM

Do NOT use the camshaft with a tooth missing!  You will end up destroying the crank teeth as well.  Early 67 & older HH cam is what you need.



#3 pwombles OFFLINE  

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Posted April 15, 2013 - 08:46 PM

so any idea where I can come up with one? been lookin on ebay, but am unsure which one is what I need.



#4 DH1 ONLINE  

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Posted April 15, 2013 - 08:57 PM

I found there are cams with straight gears and angle gears.

HH 016.jpg

 

The cam on the right is a points cam.

HH 018.jpg



#5 olcowhand ONLINE  

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Posted April 15, 2013 - 09:01 PM

Can you post a good pic of yours?  Some have straight cut gears, others helical.  Edited:   Doug beat me to posting



#6 olcowhand ONLINE  

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Posted April 15, 2013 - 09:04 PM

Contact our site sponsors.  Bob's Lawn & Garden is a great source.



#7 philips100 OFFLINE  

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Posted April 15, 2013 - 09:16 PM

What are the differences in the "points" cam and the "solid state" cam?



#8 olcowhand ONLINE  

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Posted April 15, 2013 - 09:18 PM

Doug, this cam on ebay has the area machined for the points cam, plus the notch for the cam limiter.  I think if this cam were to be drilled accurately for the pins, one could transfer the points cam assembly over to this one.  Pricey, but if the only option...

 

cam.JPG

 

http://www.ebay.com/...=item35c6488d52



#9 olcowhand ONLINE  

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Posted April 15, 2013 - 09:18 PM

What are the differences in the "points" cam and the "solid state" cam?

 

There is no cam lobe to operate the points or advance/retard the ignition timing.



#10 pwombles OFFLINE  

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Posted April 15, 2013 - 09:23 PM

DSCF5346.JPG DSCF5347.JPG Ok, here are pics of what I have. Apparently there is another problem. one of the pins for the plate on the front is missing.



#11 pwombles OFFLINE  

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Posted April 15, 2013 - 09:26 PM

BTW, this is from a HH100-115033A Serial #6348  12689. Thanks for all the replies!



#12 pwombles OFFLINE  

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Posted April 15, 2013 - 09:34 PM

So I looked on ebay and found #370773760198. Is this what I need?



#13 DH1 ONLINE  

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Posted April 15, 2013 - 09:41 PM

So I looked on ebay and found #370773760198. Is this what I need?

I think that's what your looking for

straight tooth, with decompressor and points cam.



#14 DH1 ONLINE  

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Posted April 15, 2013 - 09:43 PM

Doug, this cam on ebay has the area machined for the points cam, plus the notch for the cam limiter.  I think if this cam were to be drilled accurately for the pins, one could transfer the points cam assembly over to this one.  Pricey, but if the only option...

 

attachicon.gifcam.JPG

 

http://www.ebay.com/...=item35c6488d52

You could be right???



#15 pwombles OFFLINE  

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Posted April 15, 2013 - 09:49 PM

I think im gonna put in an offer on the ebay one I referenced. Still cheaper than dealing with the solid state!






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