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Shop/Category/Fig. 2 — CRANKCASE/CHECK VALVE
CHECK VALVE
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Also known asE8017
DiagramFig. 2 — CRANKCASE · ref 19
Subsystemengine bottom
Listed in parts books1968, 1970–1971

CHECK VALVE

A check valve, part number 70-8017, used in the oil scavenge system on singles.

PN · 70-8017

This is a check valve, part number 70-8017, listed in the catalog under that name alone. Our records show it in the scavenge oil system on singles-based machines, based on how it turns up in the wider parts listings, but the notes on hand for this specific part are brief.

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A check valve of this kind is meant to allow oil flow in one direction only, keeping the scavenge side of the system from running backward or losing its prime. Beyond that general function, we don't have more detail on file for this one.

Give us a call before you order so we can confirm it matches what's on your bike. With a part this small and this lightly documented, it's worth double-checking fitment rather than guessing.

$10.49
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Related parts
SPRING CHECK VALVE B25
PN 70-8124 · Goes with this
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