Details
| Also known as | S1819 |
| Diagram | Fig. 13 — INNER AND OUTER CHAINCASE · ref 13 |
| Subsystem | primary |
| Listed in parts books | 1969–1971, 1973–1974 |
BOLT,T150 INNER PRIMARY
Bolt for the T150 Trident inner primary cover, part number 21-1819.
PN · 21-1819
This is 21-1819, a bolt listed in the books as fitting the T150 inner primary. The T150 is the Trident triple, so this one belongs to a three-cylinder machine rather than a twin.
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We don't have much more detail on file for this one beyond that it's an inner primary bolt for the T150. If you're chasing down inner primary hardware for a Trident, this is worth having on the bench, but call the shop and we'll confirm fitment before you order.
$6.95
Pin your bike to check this part fits.
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Related parts
Cover – inner primary, with fixed fittings
PN 57-4018 · Goes with this
INNER PRI-GASKET TRID
PN 71-1453 · Usually replaced with this
INNER PRIMARY COVER
PN 57-2460 · Goes with this
Inner primary chaincase
PN 57-4010 · Goes with this
Outer primary chaincase
PN 57-3953 · Goes with this
Gasket inner case to chaincase
PN 57-2558 · Usually replaced with this

