S&S Cycle Motorcycle Accessories Manual de servicio descargar pdf (Pagina 3)

S&S BILLET PRO STOCK ENGINE 31-9710

The S&S Billet Pro Stock is the same engine you’ve seen used in

competition at NHRA and AHDRA races. It is a 160-cubic inch

four cam, 60 degree V-Twin pushrod engine. It is built with

special S&S billet crankcases, cylinders, and heads, and

features an integral 6-speed automatic transmission. Dual

downdraft manifolds and large diameter throttle bodies for

S&S Variable Fuel Injection (VFI) and MSD MC-4 Systems are

standard on this engine.

● 160ci four-cam, 60 degree pushrod V-Twin

● Billet crankcases with integral transmission housing

● Billet steel Pro Stock style flywheel assembly

● Billet aluminum rods with 1.500” crankpin

● Billet Pro Stock cylinder heads

● Pro Stock VFI manifolds, throttle bodies & S&S ProTune Fuel

Injection

● Six-speed automatic transmission

● Includes ignition system, oil pump, pulleys, VFI System, clutch

assembly

, and final drive sprocket

ACCOMPLISHMENTS

2004

● Won NHRA's "Best Engineered Vehicle Award"

● Qualified #1 and set a track record at Indianapolis Raceway

Park with a 7.115 ET

● Won at Las Vegas “The Strip” with a 7.191 ET 179.92 mph

● Qualified #1 and also set a track record at Pomona Raceway

with a 7.024 ET

2005

● Chip Ellis won Chicago and Vegas (again) and finished 5

national points.

● Ryan Schnitz won Denver, Columbus and the finals in

Pomona and finished 4th in national points.

● Matt Smith, riding original G2 S&S Pro Stock powered bike

"Rattletrap," posted the 3rd quickest pass in NHRA history at

7.000 ET and 189 MPH.

● Every race had S&S Pro Stock teams in the 16 bike field on

Sunday

RIDERS/TEAMS USING THE S&S BILLET PRO STOCK ENGINE

Marco Andreano - Vroom Racing

Tom Bradford - Hal's H-D V

-Twin

Connie Cohn - CC Rider Racing

Chip Ellis - G2 Motorsports

Dave Feazell - Two Wheel Travel

Matt Guidera - Rocklin Motorsports

Ronald Mac Phee - Hog Farm Racing

Chris Rivas - Mohegan Sun Racing

Ryan Schnitz - Team Muzzy

Matt Smith - G2 Motorsports

Tom Sorensen - MCPARTS - Denmark

Brett Stevens - Brett Stevens Racing - Australia

SPECIFICATIONS AND OTHER INFORMATION

GENERAL SPECIFICATIONS

Crank Position Sensor Gap ...............................................0.0300

Intake Rocker Arm Ratio

........................................................2:1

Exhaust Rocker Arm Ratio .................................................1.85:1

Primary Drive Ratio, 64-87...............................................1.359:1

Transmission High (6th) Gear Output Ratio....................1.053:1

Drive Sprocket 16 Teeth 6-30 Chain x 43T Wheel..........2.688:1

15 Teeth 6-30 Chain x 43T Wheel ............................2.867:1

Overall Drive Ratio, 41T– 46T, 43 Average .....................3.847:1

Normal Piston Size.............................................5.1100” - 5.115”

Piston Fitment....................................................0.0065” - .0072”

Top Ring Gap .....................................................................0.023”

Ring Gap .......................................................................0.063”

Oil Ring Gap.......................................................................0.070”

Valve Stem to Rocker Arm Clearance (Cold) ...................0.004”

(Hot) ............................................................................0.015"

Valve Stem to Guide Clearance ......................0.00175” - .0020”

Cam End Play .........................................................0.010” - .020”

Anticipated Valve lift; Intake............................................1.000”

Exhaust........................................................................0.925"

TORQUE SPECIFICA

TIONS:

Head Bolt

⁄2" .....................................................................60 ft-lb

Head Bolt

⁄8" .....................................................................35 ft-lb

See Diagram 1.

Rocker Arm Stand Bolts ...................................................60 ft-lb

Use 272 red Loctite—requires TP55 Torx Plus wrench

Rocker Arm Screws ...........................................................28 ft-lb

Use 272 red Loctite—requires TP45 Torx Plus wrench

Timing Cover Screws......................................................120 in-lb

Use 242 blue Loctite.

Bolts

⁄16" ............................................................................18 ft-lb

Screws

⁄4"........................................................................156 in-lb

S&S

has teamed up with G2 Motorsports to offer a complete engine package for use in NHRA Pro Stock Motorcycle and AHDRA Pro

Gas classes.

G2 Motorsports, Inc. was formed by George Bryce of Star Racing and S&S’s own George B. Smith to combine their talents and work

with S&S Cycle. The team worked with S&S to develop, test, and make available, high performance engine packages that are

competitive at the highest levels and readily attainable for our most discerning and demanding customers!

CYLINDER HEAD – TOP VIEW

TORQUE SEQUENCE DIAGRAM

All nuts to 30 ft-lb

⁄2" first –

then

⁄8" – next all

⁄2" to 60 ft-lb –

then all

⁄8" to 35 ft-lb.

Cam Side

Diagram 1

1 2 3 4 5 6 7 8 ... 15 16

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