MS661 vs 390XP

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Keith, I have only run them at GTGs, and never a ported one, but they weight about what a 460/461 does, with more ccs. I hear they can be very strong ported, resulting if a VG Hp/Wt ratio. Also hear small case capacity for the ccs, and carbs need to be upgraded to get full benefit from porting.
I have only ever ran a stock one and it ran well.
However, they have a non existent dealer network and zero penetration into the pro market.
 
Isn't the 241 built on a 261 chassis?
They look similar but quite a bit of difference in weight/feel. I sold my 261 before I bought my 241, wish I could give you a better answer.
I think the 550xp is as close to perfect for 50cc's as it gets, and the 241 feels like a pound or two lighter, and a tad smaller chassis.
 
Never even seen a dolmar dealer, well, none that I can remember, but have seen a makita in a hardware shop once or twice
 
The stock 7900 is a fast, strong, smooth saw, and light for it's power output (stock). I'm sure the ported ones are impressive, but more work than most saws to fulfill their potential (addl carb work, and I think different port #s due to small case volume). If I were not already impressed with my ported 77 cc saws, I would consider one.
 

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