John Deere JS63C Push Mower Engine Replacement

Silver97

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Here's the deal I recently hit a stump with my John Deere JS63C and it now has a severe vibration. I would tear it apart and fix it as I assume the crank is bent. I was looking on Ebay and seems like a 6.75 HP Quantum is only about $150 bucks. The Current engine is a 121602-0269. This is the info I can find on it "This engine has a 25mmx3-5/32" keyed shaft on it with a 1/4" keyway and 2 woodruff keyways and a 3/8 # 24 bolt on the end of the shaft." My question is what do I need to be looking for in a new engine.

Small Engine Warehouse - Repower Outdoor Power Equipment lists a part number as 126K02-0835 for a replacement.

wondering if either of these would work.

BRIGGS & STRATTON QUANTUM 6.75HP ELECTRICSTART MOWER ENGINE BRIGGS AND STRATTON | eBay


BRIGGS & STRATTON 7HP OHV MOWER ENGINE 121602-0112 7 HP | eBay
 
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