Can I run my crankshaft?

[JammitJames]

Hello
I have never posted here before and I’m hoping to receive an answer… just one.
Can I run my crankshaft?
Everything is within spec with the exception of the side clearance of the big end bearing having a feeler gauge reading of 0.65 on the right and 0.63 on the left. I know I know… but I’ve checked the wear on the thrust washers and they are looking to be 1mm still and the rod ends don’t look to have any wear at all(looks can be deceiving) the readings for the flywheels(66 mm) and (54mm) inner flywheel read with over all (186mm) are coming back with in spec. If the answer is “no” do I need to replace the connecting rods?or just the bearing and thrust washers? The small end has less then 1 mm side play and plenty of copper also there is 0 vertical play. I literally can’t even think why this is this way other than I’m just inexperienced. But yet here we are. Also the I have checked the inner between the flywheels that hold the connecting rod and its measuring 22.72mm internal and 65.99 outside. So the math isn’t mathing. 22.72-2 for thrust washers -18 for rod width 2.72? How can that be? Thank you in advance to anyone who answers.

 

[Its been a long time]

Looks to me like it's right on the allowable limit. Section 6 in screenshot. If there's nothing else wrong, I'd run it.

 

[Jim]

side clearance of the big end bearing having a feeler gauge reading of 0.65 on the right and 0.63 on the left.

Book says that .65mm is the max. That puts you at the max.... and that's within limits.

 

[JammitJames]

Hello
I have never posted here before and I’m hoping to receive an answer… just one.
Can I run my crankshaft?
Everything is within spec with the exception of the side clearance of the big end bearing having a feeler gauge reading of 0.65 on the right and 0.63 on the left. I know I know… but I’ve checked the wear on the thrust washers and they are looking to be 1mm still and the rod ends don’t look to have any wear at all(looks can be deceiving) the readings for the flywheels(66 mm) and (54mm) inner flywheel read with over all (186mm) are coming back with in spec. If the answer is “no” do I need to replace the connecting rods?or just the bearing and thrust washers? The small end has less then 1 mm side play and plenty of copper also there is 0 vertical play. I literally can’t even think why this is this way other than I’m just inexperienced. But yet here we are. Thank you in advance to anyone who answers.

View attachment 373829

Book says that .65mm is the max. That puts you at the max.... and that's within limits. View attachment 373833

View attachment 373831

alright that’s good news. I just wanted to ask people who would understand this specific crank because I know how critical it can be if this spec was off. Thank you

 

[JammitJames]

Looks to me like it's right on the allowable limit. Section 6 in screenshot. If there's nothing else wrong, I'd run it.

View attachment 373832

Thank you so much! I really appreciate your time.