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LT3 chain size

31 Mar 2020 18:32
70shovelhead
Sportsman
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LT3 chain size #1
Picked up a 73 LT3 that was missing the chain. Can someone tell me what size roller chain I need? Thanks

70SHOVELHEAD

1937 Harley WL45
1962 Cushman Silver Eagle
1974 DT250
1974 DT360
1973 CT3 175
1975 QT50
1975 Honda NC50
1986 Suzuki FA50

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31 Mar 2020 20:20
MarkT
Site Supporter
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LT3 chain size #2
Should be 428. Can you measure the thickness of the sprocket?

1963 YG1-T, 1965 MG1-T, Allstate 250, 1970 CT1b, 1971 R5, 1973 AT3MX, 1974 TS400L, 1975 RD350, 1976 DT175C, 1976 Husqvarna 250CR, 1981 DT175G, 1988 DT50, 1990 "Super" DT50, 1991 RT180, 2017 XT250

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01 Apr 2020 00:04 01 Apr 2020 00:05 by RT325.
RT325
Collector
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LT3 chain size #3
Yep as Mark says 428 & i guess 115 links looking at LT2 as Partzilla doesn't show much for LT3. Think part number gives a hint of number of links required but someone might be able to confirm that. [or not]. Number 48.
www.partzilla.com/catalog/yamaha/motorcycle/1972/lt2/rear-wheel

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01 Apr 2020 04:16
70shovelhead
Sportsman
Sportsman
Posts: 57
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LT3 chain size #4
Yes will measure sprocket size today. Thank you for the replies!

70SHOVELHEAD

1937 Harley WL45
1962 Cushman Silver Eagle
1974 DT250
1974 DT360
1973 CT3 175
1975 QT50
1975 Honda NC50
1986 Suzuki FA50

Please Log in or Create an account to join the conversation.

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