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Now Aluminum not Copper. -
This is normally found behind the Starter Clutch Ring Gear. 25.3mm I.D. x 39mm O.D. x 1.0 m. The newer 1:7 Cranks need the 27mmI.D. washer.
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Please use an Installation Tube of 27-28mm I.D. 1" I.D. tube is too small and will damage the spring loaded seal. -
Same Impeller 19721-003-0000 Fits 250, 400, 800
