MCS Alternator Rotor / Clutch Shell & Sprocket Assembly – L1984–1990 4-Speed XL Sportster
Description
OEM style replacement alternator rotor/clutch shell with primary chain sprocket combo. Incl. ball bearing. Magnets are encapsulated in a stainless steel shell. This will help prevent magnets coming loose; which fequently happens with OEM equipment. OEM replacement reference 36791-84. Note: Replacement clutch hub ball bearing is separately available as 556626/36799-84. TECH TIP: On L84-90 XL Sportster the alternator is installed on the clutch hub. This was poor design. Excessive clearance between clutch hub bearing; mainshaft ball bearing and needle bearing between the two parts of the transmission shaft allows the clutch hub to cock sideways; enough for contact between stator and clutch hub. Grinding stator and/or clutch hub is sometimes done; but not recommended by MCS; to add clearance which reduces output. Better is installing new bearings. From 1991-on the alternator was moved and the rotor is run on the sprocket shaft. This fixed the problem.
Fitment
- L84-90 4-speed XL Sportster (NU)
Product Details
- Brand: MCS
- Category: DRIVE LINE-CLUTCH > CLUTCH SHELLS
- Unit: EA
- Product code: 936791
Part Numbers
MCS Part Number: 936791
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This estimate is for the selected item and quantity on their own. Shipping for your complete order is recalculated in the basket and shown again at checkout before payment. Your full order is recalculated in the basket and confirmed at checkout.
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