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Is this a "date code"? Avon Roadrunner AM20.
Not at all unless you are going to turn or go faster than 10 MPH.Am I foolish runnuig those tires?
I think they are well beyond their “Best Before Date”. Learned that with cars, but at least there’s 4 of them to keep you on the road. I just bought new tires for my ‘79. Rubber on the bike had plenty of tread but the compound seemed pretty hard. Not worth the risk imho.Am I foolish runnuig those tires?
Not according to this LINK. CLICKYAm I foolish runnuig those tires?
Set the tappets to 6thou & 3thou and triple checked them and the boyer timing. Hard to start, idles slowly ,any throttle and it constantly spits/ backfires out the left carb ??. I triple checked the cam timing before fitting the rocker cover, all valves removed and new stem seals installed, new pistons and rings as well as all new crankshaft bearings and rods. Right cylinder runs ok. So is it carb or intake valve?. I could swap the carbs from left to right and see if that changes anything?I fitted the manifolds and the vm34s, the boyer ignition and the drive sprocket once I had cleaned up the countershaft sleeve and the sprocket mating surface with a scotchbrite pad and torqued to 80ftlbs. Also had time to fit alternator rotor after riding the wife's RE to the bolt store for a nut for the crankshaft. (Thanks Jim). Tomorrow i will set the tappets and cam chain and the timing and turn it over a few times to get the oil circulating. If it's all good I can start it up.