Ms881 cylinder build possible?

So that covers how to convert the wrist pin to a bigger OD pin hole. Now I need to study how the 38mm crank would work and have the right port timing (I know nothing about that). Spacer possibly kinda like a minarelli.
 
Now I'm wondering should I order the cdh110 bottom end, ms880 top end, some jb weld and some aluminum studs. Also are they 1.25 pitch on the cdh? Or should I just get a stock cdh110 and build a bike? If I have to get something machined I think I'll just get a cdh110.
 
Will'smotobikes19 said:
Now I'm wondering should I order the cdh110 bottom end, ms880 top end, some jb weld and some aluminum studs. Also are they 1.25 pitch on the cdh? Or should I just get a stock cdh110 and build a bike? If I have to get something machined I think I'll just get a cdh110.
Click to expand...
The cdh110 is the worst engine money can buy. If you want a great engine buy a YD85 and cdh110 piston
 
Gordy said:
The cdh110 is the worst engine money can buy. If you want a great engine buy a YD85 and cdh110 piston
Click to expand...
The CDH110 Cylinder and head are the worst money can buy. The case is actually fantastic, especially for bigger bore hybrid builds. Crank is standard faire.


Will'smotobikes19 said:
So that covers how to convert the wrist pin to a bigger OD pin hole. Now I need to study how the 38mm crank would work and have the right port timing (I know nothing about that). Spacer possibly kinda like a minarelli.
Click to expand...
With the 110 case and most of the larger bore Stihl engine cylinders it is far more likely you will need to remove material from the jug or the case than it will be to add a spacer. For example, a 56mm 066/MS660 cylinder needs to have about 6mm removed in order to get he ports in a good place and also have decent compression.
 
ImpulseRocket said:
The CDH110 Cylinder and head are the worst money can buy. The case is actually fantastic, especially for bigger bore hybrid builds. Crank is standard faire.



With the 110 case and most of the larger bore Stihl engine cylinders it is far more likely you will need to remove material from the jug or the case than it will be to add a spacer. For example, a 56mm 066/MS660 cylinder needs to have about 6mm removed in order to get he ports in a good place and also have decent compression.
Click to expand...
One would have to find out the geometries of different rods. The guy that did a ms660 build apparently used a 120mm long Husqvarna rod instead of the yd100 rod which is 116mm. He didn't machine any material from the mounting surface. Ms880 would be different don't know which rod would make it spot on but it originally has a 36mm stroke.
 
Will'smotobikes19 said:
One would have to find out the geometries of different rods. The guy that did a ms660 build apparently used a 120mm long Husqvarna rod instead of the yd100 rod which is 116mm. He didn't machine any material from the mounting surface. Ms880 would be different don't know which rod would make it spot on but it originally has a 36mm stroke.
Click to expand...
What case did they use on the 660 build?
 

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