640 Carb Rebuild Parts

Tyman

New User
I have a TSX580 M/S carb and want to do a complete rebuild. Looking for a good complete kit. I see C547V as a part number for several sources out there including nnalert's. Is this a good kit? Is there a rubber tip on the needle? Are these kits from Tisco? I've heard that Sparex and Napa have good kits. NAPA online is double the price of the other kits I've seen so far. Who sells the good kits if there is any?

Thanks
 
Depends on what you call a complete kit. I buy walker brand kits form O'Reilly's and they are a good kit but do not include things like new jets or the float. If I remember right the kit number is 778-505A and cost around $20
 
They can be Tisco kits. Good or bad varies on what's in stock.
Most places send what they have, regardless of manufacturer,
as long as it is compatible with that part number.

I have good luck with the kits sold here on YT when they are
stocking the complete kit but I have noticed that what parts are
included sometimes varies. Different manufacturers I think.

The needle is Viton/rubber tipped.

None of the kits I know of include floats, butterflies, drain
plug, choke flapper or body screws.
Those are sold separately and can be quite pricey.

The "comprehensive" kits sold here include all the jets, new
shafts and shaft seals, new adjustment needles, new butterfly
screws, choke flap spring and the gaskets of course.
The basic kit would include most of this minus jets.

Along with those, they normally include parts often missing
from other kits such as all new springs for the adjustment
needles, (they have always came with at least two of the three
adjustment springs, but some times the third one is missing)
the brass rings/cups to secure the gaskets/packings around the
shafts and new brass plugs for the other holes in the carb.

If you find you're missing some little part, holler at me.
I might have one around.
 

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