Factory 340
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This may be a dumb question but how does that top chain sprocket
Not vibrate like crazy with all those hole only on one side.
Looks like it was only supposed to be used with the pump eccentric.
Used with dripper,, This is how I install it but I also use the bolt with the hole in it . You can see it on the picture of my motor. This way always worked for me so I stick with what has proven itself as reliable.
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Tensioner style which have problems . Just something else to go wrong. Also quality "true roller" chains don't stretch like the cheap "roller" style
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I have factory style if needed
