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Discussion Starter #1 (Edited)

Never mind. The 16x49 does not refer to the bolt head, silly me. I just put a 19mm socket on the bolt and it fits nice and tight, so it's still a 19mm bolt.


Previous text:

I ordered a new timing belt and a host of other related parts (water pump, idler pulley, adjuster, tensioner, etc.). For good measure I also ordered new bolts for everything. The replacement crankshaft pulley bolt is part #90017-RJA-003, which is listed as a 16mmx49mm bolt. However, the bolt on the engine is 19mm. Did Honda change the bolt size for replacement bolts? If so, why? I'd appreciate any insights.

(Look under 'PISTON - CRANKSHAFT', part #15.)

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