O.S. 21VZ-B V-Spec II World Edition

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O.S. 21VZ-B V-Spec II World Edition

Features

18 holes drilled in the heat sink head to increase cooling and lighten weight by 14 grams

Hardened, chrome-plated 4-port cylinder and liner

Machined aluminum piston with parallel rings

Specially coated crankshaft with a ceramic rear bearing, tungsten weighting and silicone filling that reduces turbulence and smoothes the fuel/air flow

Buy a new O.S. Engine between August 3rd and December, 31st 2009 and exchange the engine you're replacing for a valuable O.S. Engines merchandise certificate.
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Featuring Atsushi Hara’s IFMAR World Championship-winning design, the 21VZ-B V-Spec II World Edition is loaded with race-winning features! Highlights include a lighter drilled heat sink head, three new carb inserts, a laser-engraved "World Champion" crankcase and commemorative packaging.

Reshaped crankcase core

21JS three-needle slide-valve carb with 6 mm, 6.5 mm & 7 mm carb restrictors

P3 Ultra Hot Turbo plug included

“World Champion” engraved into the head and crankcase

Specifications

Output: 2.5 hp @ 34,000 rpm
Displacement: 0.211 cu in (3.5 cc)
Practical rpm range: 3,000 – 40,000
Bore: 0.65 in (16.6 mm)

Stroke: 0.63 in (16.0 mm)
Weight w/o muffler: 12.3 oz (349 g)
Requires: #203 Air cleaner assembly (LXFFA5),
T-2060SC WN Tuned Pipe Comlete Set (LXPGU5)