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TOPIC: Diaphram washers missing.?

Diaphram washers missing.? 1 month 5 days ago #24701

  • beertad
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Hi. While cleaning my carbs on my A5 project bike i have noticed there are no washers on the diaphram shaft ?
Is this needed on a 1983 bike ?. All three are not there on any carb
Tad
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Diaphram washers missing.? 1 month 5 days ago #24702

  • scotch
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These washers, which are difficult to find, should be in place as they eliminate metal to metal contact. Also and more importantly, without them the diaphragm carrier with be lower resulting in a leaner mixture.
1980 KZ 1300 sr# KZT30A-009997
Always High - Know Fear !

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Diaphram washers missing.? 1 month 4 days ago #24703

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Thanks Scotch
Being a wise z13 guy i dont suppose you know the dimensions and material of them ?
Tad

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Diaphram washers missing.? 1 month 4 days ago #24704

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Beertad, Don't have an OEM but do have a duplicate I made as a pattern, spec'd from a "real one" !
Give or take a couple .000"s + or - , this will work:
The OEM's are a type of fiber composite - Can't think of the name at this moment.

Thickness: .022" / .570 mm.
I./S. dia. : .518" / 13.16 mm
O./S dia. : .669" / 16.81 mm

Let us know how you make out with this !
1980 KZ 1300 sr# KZT30A-009997
Always High - Know Fear !

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Diaphram washers missing.? 1 month 4 days ago #24705

  • StanG
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I can send you replacements. They are derlin and exact measurements. Derlin is the right modern material for this kind of applications. The outside diameter I cut by hand, and I make it accurate. The outside diameter does not need precision anyway - thickness and inside diameter are important. 0nce I find someone to machine the whole batch to the 17 mm outside they will be all exactly the same. But like I said, it doesn't really matter, but for sure better than using scissors every time!
I can send 3 + 1 spare for $2 plus postage (envelope). PM me if you want them.

1982 Kawasaki KZ1300 A4
1981 Kawasaki KZ1300 A3
assembling engine, chassis & electrical from 79 - 89 parts
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Diaphram washers missing.? 1 month 4 days ago #24706

  • beertad
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Cheers scotch. Will do.
One other thing while i am on carbs. Is it right the manual setting for idle mixture screw is wrong and they should be 4 full turns out . Seems a lot to me?
Tad

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