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Shop/Category/Fig. 8 — FOOTRESTS AND BRAKE LINKAGE/Front engine bolt (3/8" British Standard Cycle × 3-13/16")
Front engine bolt (3/8" British Standard Cycle × 3-13/16")
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DiagramFig. 8 — FOOTRESTS AND BRAKE LINKAGE · ref 22
Subsystemframe
Listed in parts booksNot catalogued by year yet

Front engine bolt (3/8" British Standard Cycle × 3-13/16")

Front engine mounting bolt, 3/8 inch BSC thread by 3-13/16 inches long, from the frame section of the parts books.

PN · 40-4081

This is the front engine bolt listed in the frame section of the parts books, a 3/8 inch British Standard Cycle bolt measuring 3-13/16 inches long. It's one of the mounting bolts that ties the engine into the frame cradle at the front.

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The catalog shows this bolt appearing across entries from 1969 to 1970, so it turns up more than once in the parts books for that stretch of years. Beyond that, our record doesn't pin it to a specific model, so if you're matching up hardware on a rebuild, check the length and thread against what's actually in your frame before you order.

If you're replacing engine mounting hardware, it's worth checking the condition of the other bolts and spacers at the same time since they all take the same clamping load.

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NUT 3/8 LOCK NUT
PN 14-1803 · Goes with this
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