Tillotson repair kit RK-50HD

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Tillotson repair kit RK-50HD

Postby ThumpStreet » Thu Aug 25, 2016 5:34 pm

To all Tillotson carb tinkerers in XL land: I was installing one of Tillotson's recently released repair kits p/n RK-50HD and noticed the fuel inlet needle and seat supplied with the kit was not as in the original carburetor.The needle is much smaller,the fuel hole in the seat is smaller and the needle arm is the unshackled type as found in the HD1A carb.It appears that Tillotson forgot to upgrade to the Harley p/n 27588-66 needle and seat kit.I don't know if this is some calculated engineering upgrade but I thought I should at least put it out there for some input before some freshly restored XL or Big Twin goes out on the road only to melt down from running too lean.Pete
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