Details
| Also known as | E3964 |
| Diagram | Fig. 3 — CYLINDER BARREL AND HEAD · ref 16 |
| Subsystem | engine top |
| Listed in parts books | 1963–1964 |
BOTTOM CUP
A bottom cup, part number 70-3964 — call the shop to confirm exact fitment.
PN · 70-3964
This is a bottom cup, part number 70-3964, one of those small hardware pieces that doesn't get much attention until it's missing. Our records on this one are brief, and the description alone doesn't give us much to work with beyond the name itself.
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Some catalog listings tie this number to valve spring hardware, but we don't have enough in our own records to state that with confidence for your application. Give the shop a call with your specific bike details and we'll help confirm what this part mates up to before you order.
$6.49
Pin your bike to check this part fits.
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