So I'm rebuilding my carbs, and the first one I took apart, I see that the main jet size is 130, and stock is 112.5. Is this too big? My '82 GS750E does have a 4-to-1 exhaust and pods set up on it. Thoughts?
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First off you have to compare apples to apples . Stock jets are mikuni. Aftermarket dynojet measure different. The mikuni size equivalent is approx 10 off the DJ size. If your jets are part of a DJ kit it sounds about right which is what should be there for 4:1 and pods. Go to the DJ website they list the contents of the kit for your bike. Also if the needles have grooves it is DJ. -
Mikuni jets will also have their trademark, which is a square inside a square.
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mine: 2000 Honda GoldWing GL1500SE and 1980 GS850G'K' "Junior"
hers: 1982 GS850GL - "Angel" and 1969 Suzuki T250 Scrambler
#1 son: 1986 Yamaha Venture Royale 1300 and 1982 GS650GL "Rat Bagger"
#2 son: 1980 GS1000G
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I don't see a DJ130 on the main jet, it just says 130 and there is a small square on the left of the number.Comment
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a quandry ...........................
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I'm most likely going to upgrade to the DJ jets anyways, will perform much better I'm sure. I just thought it was weird, and possibly why it was running weird (very sporadic acceleration).Comment
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All the other jets have the Mikuni trademark square on them, and are stock sizes. The main jet was the only different size, so I don't believe it is a DJ kit.Comment
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if your needles are adjustable then you have a jet kit....
if not you don't...simple eh?
jet kits do not come with pilot's....eh?Comment
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Depending on the condition (how much oil) and brand/type of pods and how much/little packing is in your muffler, you will probably want to drop down to 127.5's or even 125's on the main jets.Comment
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