OS Motors .21TM Revo Manifold ABC 11K-R Slide Carb

This is the O.S. Max 21TM Engine with the Revo Manifold.
Direct fit for the 2.5 and 3.3 Traxxas Revo.

*** 2 year restricted guarantee ***

FEATURES:
Adapts perfectly to the Traxxas E-Z Start or pull-start systems with
    no modifications
Included manifold is specifically developed to fit directly onto the
    Revo
Traxxas' clutch assembly bolts right to the crankshaft without any
    modifications
Extra-large cooling fins on crankcase assists to keep engine cooler
3 needle slide valve carburetor with fins to assist cool the fuel
    as it goes into the engine
High-performance long reach O.S. LC3 radiance plug suitable for off-road
    applications that require constantly varying speed

INCLUDES:
One O.S. Max 21TM Engine with Revo Manifold, LC3 radiance plug, 11K
    slide valve carburetor, manifold spring, rubber exhaust gasket,
    sticker sheet and user's manual

REQUIRES:
Installing in car
Air filter

SPECS:
Displacement: 0.21 cu in (3.4cc)
Bore: 0.669" (17mm)
Stroke: 0.590" (15mm)
Practical RPM: 3,000 - 35,000 RPM
Output: 1.8 PS, 1.77 HP/29,000 RPM
Weight: 8.57oz (243g)

Range between installing hole centers same side: 0.43" (11mm)
Range between installing hole centers opposite side: 1.2" (31.4mm)
Range from end of crankshaft to own washer: 1.03" (26.3mm)
Range from center of engine to front bearing: 1.4" (34.8mm)
Distance/bottom of installing flanges/top of cylinder head:3.2"(81.2mm)
Width of installing flanges: 1.5" (39mm)
Length of exhaust flange: 0.24" (6mm)
Height/backplate install to top of cylinder head: 3.3" (85.3mm)

COMMENTS:
Needle Settings:
- High Speed Needle (Needle Valve) 2-1/2 turns out from close.
    To break-in close approximately 30° after running one tank
    of fuel through car, repeat 5 times
- Mid Variety Needle (Mixture Control Valve) Screw head is precisely
    1/2 turn in from flush with the carb body
- Low Speed Needle (Metering Needle) Turn 30° clockwise to lean
    mixture or counter-clockwise to richen mixture