While the rest of the XV bikes of the era ran a 69.2mm stroke, the eleven hundred sported 75mm. The engineers were lazy: they used the same engine dimesions and even the same connecting rods. This necessitated moving the pin bore up 2.9mm (half the stroke increase), so 1100 pistons were shorter; and due to the stroke/conrod ratio spent more time stationary at TDC and BDC. No big deal. Due to the more open combustion chamber shape, valve shrouding was considerably less of a problem, and they breathed much better. Indeed our excursions into truly big displacements will be based on 1100 (or XVS1100 - almost identical) heads and XVS1100 cranks with 920/1000/1100 rods - the V Star rods are unacceptably long, making for very short, rocking prone pistons.

Eleven hundred kits will be 99mm (the cylinder is identical - except in the manner of fin deployment - to the 1000), 1155cc at 11:1 compression. If your riding is going to be short, spirited rides, we urge you to opt for 12:1. Note this well: eleven hundred cylinders are extremely elusive; complete kits will likely come with thousand barrels.

1155cc Piston Kits
  • JE 99mm 11:1 with Head Gaskets
  • $900.00 for a kit to fit one engine.
  • As Above, plus Ceramic Crowns and Teflon Skirts
  • $1050 for a kit to fit one engine.
  • CP-Carrillo 99mm 11:1 with Head Gaskets
  • $1075 for a kit to fit one engine.
  • As Above, plus Ceramic Crowns and Teflon Skirts
  • $1225 for a kit to fit one engine.
  • JE 99mm 11:1, Bored Cylinders, Gaskets
  • $1500 for a kit to fit one engine.
  • As Above, plus Ceramic Crowns and Teflon Skirts
  • $1650 for a kit to fit one engine.
  • CP-Carrillo 99mm 11:1, Bored Cylinders, Gaskets
  • $1675 for a kit to fit one engine.
  • As Above, plus Ceramic Crowns and Teflon Skirts
  • $1825 for a kit to fit one engine.
  • Any size, either mfg, any compression, any features as above.
  • Same price as above plus a "risk" fee.
  • Complete Gasket Set 1100
  • $115.00
  • 1100 high compression head gaskets
  • $40 Each
  • Pair Ring Sets, JE
  • $65.00
  • Pair Ring Sets, CP
  • $80.00