2 Stroke Connecting Rod Play

Cr 250 crank bearing.

2 stroke connecting rod play. 2 stroke dirt bike forums. The rod ratio in this engine would be 5 7 rod. Describing some misconceptions about connecting rod side play. A teeny bit of sliding side to side is normal.

Another crank bearing question. Every crank i have ever seen in a 2 stroke has side to side rocking play and is totally normal and acceptible. Consider also the side play of the connecting rod at the piston end. 2 stroke design spreadsheets 2 stroke tuners info my last two bikes.

For example say you re building a stock small block 350 chevy with 5 7 inch rods and a 3 48 inch stroke. Wanted to talk about what i know about crank inspection. Atv utv yamaha. Like i said before the amount it leaned was the spec measure to see if it was good.

This video will show how to rebuild a two stroke crankshaft. It is probably way more than 3mm which means the crankshaft play is not critical. Rocking side to side isn t and movement up down is a good sign the big end bearing is weak. I hope it can help you.

89 honda cr250r stock 89 kdx200sr with pc pipe. Two from k l and one from ktm. 2 stroke dirt bikes honda. Subscribe if you wan.

Divide rod length by the crank stroke and you get the rod ratio. Coneccting rod crank bearing play.