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The write up is great... More output than the 661 but freakishly only weighs 6.2 ... It sounds amazing but how light can you go without making it soft?? For example, the lightweight crankshaft . I hope it's revolutionary and not another flop

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6 minutes ago, kcstevens said:

The write up is great... More output than the 661 but freakishly only weighs 6.2 ... It sounds amazing but how light can you go without making it soft?? For example, the lightweight crankshaft emoji848.png. I hope it's revolutionary and not another flop

 Had the pleasure of playing with one before they were released at Stihl HQ.

 

As I understand it, it's the fuel injection technology that saves a lot of weight. No need for carbs etc. It's bloody impressive on a 25" bar. Reckon it could easily handle more, although it balanced beautifully 25"

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It must be more than the weight of a carb, they don't weigh that much. Was the flywheel a nylon one like the MS660? Always looked at that as being a decent idea, less inertia, less weight and quicker spool up time! Reckon Stihl have thrown a lot at weight saving throughout the saw!

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If it makes a fragile machine, it isn't good. If the weight saving causes no detriment to the lifespan of the saw, it can only be good.

The nylon flywheel was a part response to the 066 spinning the ends off their cranks, the beefier crank end was the other improvement.

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That's what me and the guys I work with are saying... If it's not detrimental then its going to be in a league of its own. Fingers crossed

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I know rob rainford was using one over the weekend. He seemed impressed

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