Did you replace the condensers when you did the points? I've had a bad condenser behave like this, work fine and then start missing/cutting out when warm.
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Show posts MenuQuote from: 1976RD400C on August 18, 2020, 05:51:54 PM
Wow, excellent results for the maiden voyage, sounds like the R5 will dominate.
Quote from: pdxjim on August 17, 2020, 04:48:07 PM
Fantastic writeup Stephen!
Pretty sure my buddy Austin McCabe (snaggletooth77x on here) was up there on his 690 powered KTM 390 racing against the Kramers.
Quote from: Yamaha 179 on August 13, 2020, 08:36:00 PM
It has been my experience that the needle reduces he flow of gas more than the slide reduces the air flow therefore leaning out the mixture. Less gas but almost the same amount of air = seizure.
Lyn Garland
PS: I didn't say 7/8 throttle, I said close the throttle just a bit; just ease off a tad.
Quote from: m in sc on August 13, 2020, 05:06:50 PM
i mean i did say:
however, it DOES sound lean.
Quote from: m in sc on August 13, 2020, 02:53:22 PM
YES. LEAN.
Quote from: m in sc on August 13, 2020, 02:28:08 PM
could also be fuel feed issue. had same problem with my lc, had to go to 3.5mm? needle seats at wide open. only did it by the time i was wot at top of 5th gear, 6th would stall out. took forever to diagnose..
always err on the side of going richer on the main for tests like this. IF it gets worse, then you know its too fat. however, it DOES sound lean. but dont disregard how fast the bowl fills vs how fast its being used. what size are your mains? if over 300, then, look at needle seat and verify hole size.
Quote from: sav0r on August 11, 2020, 12:29:26 PM
And the same issues exist for the Hyosung setup as they do for every other swap, you still need spring rate and damping corrections to get everything where it needs to be. Most forgo that work, which IMO is why swaps generally aren't that much, if any, of an improvement over stock. Granted the stock RD forks are about as garbage as you can get, but tuned up they seem to be okay. So doing a swap isn't some magic bullet.
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