400 SM rebuild (Ryan’s old bike).

I picked up a pair of DRZs at the start of June. Ryan’s black SM and a blue S (Shane’s). I thought I’d use this (long) post to cover the story of the SM rebuild.

I’d heard about the bike at least a year earlier from Karl. “DRZ SM with a knock”. Ryan and I had exchanged messages, but I figured I’d likely need to replace the crankshaft at least some of the bearings, rings, and get a valve job done. The numbers didn’t look great. A year later, mention of the bike came up, and the price had dropped.

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2020/06/30 – greasy fingers – +1 pivot works swingarm bearing kit – DRZ-400

Just wanted to make a note that the pivotworks bearing kit kicks the all-balls kit. It comes with a real thrust washer instead of just a teflon ring, and the shoulder washers are similar to Suzuki’s instead of the confusing big flat washer and spacer ring in the all-balls kit.

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2017/09/10 – Recovering from the interior ride (more greasy fingers)

Yeah, I haven’t written up the interior ride yet, partly because my head is wrapped up in fixing the bike. I lost the rear brake (master wouldn’t hold pressure), that was easily fixed by swapping in the master from the kick-start bike… but the motor is more of a problem…

Cylinder head, nearly ready for removal. (Starting to think I’ve seen this view entirely too often.)

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