Crankcase replacement question

[DAQ80]

I need to replace the right side crankcase on my Raptor 350. My question is can I replace just the right side, or do I need to replace both sides as a matching set? Thanks


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[duneracerweston]

You can replace just one side.

 

[DAQ80]

Thanks, I thought you could but had read somewhere on the net that they had to be replaced as a set.

Have you actually done this before with good results?


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[DAQ80]

Anybody with hands on experience with this?

I've never done it, but seems like it'd be easier to just replace the one side. I have a a good set of cases, so I can replace both sides. What would you guys do?


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[duneracerweston]

Just replace the one side. I've only changed cases about 10 times. Just know the crank and transmission tend to pick different cases.

 

[DAQ80]

Ok, so what you're saying is even if I lay it on the left side the crank and tranny may come out with the right side?


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[duneracerweston]

No, I'm saying the trams will want to come off with the right case and the crank will want to stay in the left

 

[DAQ80]

Ok thanks for the info. I'll probably start on this in a couple weeks.
I'm doing a complete ground up rebuild, painting frame and all. So we'll see how it goes. The motor is the only thing I'm concerned about because I've never split a case before.


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