1958 AJS & Matchless Comparison Chart Cooper Motors - Vintage Motorcycle Ad For Sale


1958 AJS & Matchless Comparison Chart Cooper Motors - Vintage Motorcycle Ad
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1958 AJS & Matchless Comparison Chart Cooper Motors - Vintage Motorcycle Ad:
$12.35

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1958 AJS & Matchless Comparison Chart Cooper Motors - Vintage Motorcycle Ad
Original, Vintage Magazine AdvertisementSize: Approx. 9" x 12" (22.5 cm x 30 cm)Condition: Good
AJS & MATCHLESS 40 inch MOTORCYCLE “B” 40 Inch MOTORCYCLE “C” 40 inch MOTORCYCLE “D” 42 Inch MOTORCYCLE “E" 40 inchCYLINDER BORE It's the BIG BORE that counts! 72 mm Bore 71 mm Bore 70 mm Bore 70 mm Bore 70 mm BoreLength of Connecting Rods Short Rods give that extra Power 5% inch Rod Length 6*/2 inch Rod Length 6-7/16 inch Rod Length 6-7/32 inch Rod Length 6-7/16 inch Rod Length(A) Short Rods—On Intake Stroke (B) Short Rods—On Power Stroke Piston travels faster during first half of stroke. This draws extra gas in cylinder. Rods get angularity to crankpin quicker, giving Fire Power more leverage to turn crankshaft. CRANKSHAFT The Heart of the Engine Solid one piece Shaft Double Flywheels Bolted 3-Piece Bolted 2-Piece One Piece Shaft Bolted 2-Piece 3 Main Bearings 2 Main Bearings 2 Main Bearings 2 Main Bearings 2 Main BearingsMAIN BEARINGS—that support crankshaft 3” Rollers each end Vanderville Center W and 2-13/16" Ball 1%" Bushing and 2-7/16" Roller 3-11/32" Roller and 3-11/32" Ball 1%" Bushing and 2-7/16" RollerCYLINDER BARRELS Barrels Fastened to Crankcase 2 Separate Barrels Straight through hold down bolts Cast one unit Bottom flange bolted Cast one unit Bottom flange bolted 2 Separate Barrels Straight through hold down bolts Cast one unit Bottom flange boltedCYLINDER HEADS 2 Separate Heads Aluminum Alloy Cast one unit Aluminum also iron Cast one unit Aluminum 2 Separate Heads Aluminum Iron castingCAMSHAFTS 2 Camshafts—Gear Driven 2 Camshafts 1 Camshaft 2 Camshafts 1 CamshaftCARBURETOR 1-1 8" Monobloc 1-1/16" Monobloc • 1-1/16" Monobloc 1-1/16" Monobloc 1-1/16" MonoblocOIL PUMPS 2 Separate gear type pumps Plunger Pump One double gear type Plunger Pump One double gear typeFront Forks (Lower Fork Legs) Teledraulic Aluminum Lower Forks Telescopic Iron Lower Forks Telescopic Iron Lower Forks Telescopic Alum. Lower Forks Telescopic Iron Lower ForksWheel Hubs (This is unsprung weight) Aluminum Full Width Big Fins. Streamlined Iron Full Width Front Iron one-side drum-type rear Iron Full Width Side Flanges Aluminum Full Width Side Flanges Aluminum Full Width Side FlangesFinish on Hubs Polished Alloy Painted Black Painted Black Alloy Polished Alloy PolishedType of Spokes Straight Spokes Straight Spokes, Front Straight Spokes Hook Type Spokes Hook Type SpokesFenders, Sport-Models Aluminum, Polished Painted Painted Aluminum Iron, ChromedMotorsPhone: ADams 1-9115Frank Cooper, PresidentParti Distributor East of.Miaaiatippl Rlverr E. C. Shlllingford & Sons 1635 Hunting Park Ave., Philadelphia, Pa., Phone: DAvenport 4-504514582-AL-5804-23

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