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Shop/Category/Fig. 1 — CRANKSHAFT AND CONNECTING RODS/Flywheel
Flywheel
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Also known asE3712
DiagramFig. 1 — CRANKSHAFT AND CONNECTING RODS · ref 5
Subsystemengine bottom
Listed in parts books1964

Flywheel

A Triumph flywheel from the crankshaft assembly, catalog number 70-3712 (formerly E3712).

PN · 70-3712

This is a Triumph flywheel, part number 70-3712, also catalogued under the older E3712 reference. It shows up in the parts book under the crankshaft and connecting rods section, which is where you'd expect to find it since the flywheel bolts to the crank assembly and helps even out the pulses from each firing stroke.

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Our record for this one only shows a single catalog appearance, tied to 1964, so we don't have a broader spread of years or models to point to. If you're matching this against your own crank assembly, bring in your old part or the numbers off it before you order so we can confirm it's the right one.

Given how thin the catalog listing is on this part, treat the year we have as a starting point rather than a guarantee of fitment. Call the shop and we'll go over what you've got before you commit to buying.

Not listed anywhere

We've never carried this one. Tell us what you're after and we'll go looking — you'll get a price and photos before you commit to anything.

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Related parts
Flywheel bolt
PN 70-3713 · Goes with this
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Crankshaft
PN 70-3998 · Goes with this
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CRANKSHAFT AND FLYWHEEL ASSEMBLY
PN 70-3996 · Goes with this
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CRANK KEY TIMING PINION
PN 70-1580 · Goes with this
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Bearing adjuster nut
PN 70-0398 · Goes with this
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Any questions about this part?

Ed is at the counter. Tell him what you're working on or what doesn't fit, and he'll take it from there with this part already on the bench.