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1980 GS450 - First Vehicle Restoration Ever!

  • Thread starter Thread starter JRHemmen
  • Start date Start date
Took the bike on a two mile loop today, I'm extremely pleased. To be honest, I wasn't sure I'd make it this far. Especially not in the time it took. Now all that's left is wrapping my seat, some minor clutch/carb adjustments, and welding a new shock stud on.
 
Can I ask what jets you're running?
I have two `shorty' mufflers and UNI filters and just started it up with a `new' engine today and am trying to dial everything in in. I have 130 mains, stock pilots (I upped them one size but it seemed a little rich) and raised the needle 1 or 2 mm but still have a pretty bad hanging idle I want to sort out.
 
Can I ask what jets you're running?
I have two `shorty' mufflers and UNI filters and just started it up with a `new' engine today and am trying to dial everything in in. I have 130 mains, stock pilots (I upped them one size but it seemed a little rich) and raised the needle 1 or 2 mm but still have a pretty bad hanging idle I want to sort out.

137.5 main, 40 needle. I read in two different places what people said they used for jets on a 450 with K&N filters and a Mac exhaust, and they were totally different. One set was backfiring nonstop, the other is what I'm using now. It's not perfect, it hangs a little bit but it's almost there. I haven't shimmed the needles yet.
 
First update on this thread in awhile, my timing chain skipped and bent the exhaust valves, twice. My third set will be here tomorrow. After disassembling the tensioner I'm hoping it won't happen again.
 
Nope. I've ridden about 150 miles without issue. I disassembled the chain tensioner and reassembled it a few times to make sure it was 100% right, and it's been fine since then.
 
Ended up selling the bike for $2,000 cash; onto the next project this summer! Stay tuned
 
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