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General Category >> Rubber Side Down! >> piston rod
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Message started by Jsud04 on 08/29/14 at 05:01:09

Title: piston rod
Post by Jsud04 on 08/29/14 at 05:01:09

K I am getting ready to put this thing back together and I wanna be sure I am good to go. I had no knock previously but when I shake the rod I get Maybe 1mm or 2 of side to side movement, very slight feels solid, no bearing noises. I am gonna flush the case the desil tonight to get all the cruddies out... Dose the piston rod thing seem usual?

Title: Re: piston rod
Post by Boogieman on 08/29/14 at 08:28:47

crap...i wish i cud help ya but i havent rebuilt my engine yet to become familiar with all its special intricacies. I'm kind of surprised no one has helped you yet.

Title: Re: piston rod
Post by oldNslow on 08/29/14 at 08:51:38

All roller bearing cranks are going to have a little side to side movement at the big end. It's up and down slop that causes a knock. My Clymers manual gives a spec of 0.10 to 0.65 mm
with a wear limit of 1.0 mm, but you have to actually measure it, not just wiggle it back and forth and estimate.

My best guess is that you are fine, though.

Title: Re: piston rod
Post by Oldfeller on 08/29/14 at 09:09:07

212C2C242A262E222D430 wrote:

I'm kind of surprised no one has helped you yet.

No one has ever worn out a crankshaft assembly, ever. The only real bearing trouble has been Suzuki's line people not tightening down and locktite correctly a through bearing nut underneath the alternator. And the count for this "bad assembly" issue is like 1-2 so far in our entire list history.