Engine cradle?

[clueless 2,898]

Got a c-81 with the isolation engine cradle, may need to replace the engine. Have a 77,b-80 with a decent k181, and a nos m8, will ether fit if I remove the cradle, if so anything special I need for the swap?  

[oldredrider 2,547]

Both will fit. The M8 has electronic ignition so the ignition switch has to be changed, with other minor wiring changes.

[rmaynard 14,894]

The belt covers were different on the B-80, so you will need to save the belt guides off the old engine.

[clueless 2,898]

Ok, m8 has 2 wires one from regulator and the other from mag-coil (kill wire) I my put the m8 in the b-80 and  the b-80 engine in c-81, both look to have the same wiring.What will I need and how do I connect the m8? Please keep it simple.

Wiring is not my strong point, thus my name-clueless. Chris.  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[Texas Todd 1,024]

I copied this the other day for future reference. Maybe it will help.

 

 

 

[rmaynard 14,894]

The chart above is for a battery ignition. The M8 is magneto and a completely different wiring set up. I will try to post a simple diagram later.

[953 nut 51,665]

3 hours ago, HD-Horse said:

copied this the other day for future reference. Maybe it will help.

I took the liberty of redrawing the Ignition portion of the great drawing HD-Horse posted to make it a mag. drawing. Keep in mind you will need a new ignition switch that will ground out the "M" terminal rather than putting 12 volts on the coil.

[Texas Todd 1,024]

Cool! Saved that one too. Had kind of a Where's waldo moment looking for the differences!