Page 519

2016roadiron

519 TWIN CAM 88™ GEAR DRIVE CAMSHAFT 99-06 "EXCEPT 06-DYNA" • Gear drive uses less engine power to operate and improves valve timing accuracy over stock chain drive camshafts • Dynamometer comparisons show gains of 4 horsepower over chain drive camshafts • Can be installed on both carbureted and fuel injected models • Sold as cams only, inner and outer gear kit 349-4730 and installation kit 349-4450 must be purchased separately. Note: 55 and larger require spring spacing. Grind Timing Duration .053 Duration .020 Valve Lift Lift @ TDC Fitted Spring Application Touring and performance cams Stock 88 Carburetors (A) -02/38* 42/-03* 216 219 255 259 .473 .474 .072 .110 Stock Carbureted engine: stock cam data listed for reference. (Stock engine output is approximately 62 HP). Stock 88 Injectors (B) 02/34* 42/-03* 216 219 255 259 .473 .474 .087 .110 Stock Fuel injected engine: stock cam data listed for reference. (Stock engine output is approximately 62 HP). 349-5206 12G 02/34* 40/02* 216 222 252 259 .489 .489 .091 .095 Stock Similar timing to earlier stock 88 cams but gear drive cams are used instead of Chains. No engine retuning necessary with this timing! 349-4725 21G 10/30* 40/08* 220 228 255 264 .498 .498 .134 .121 Stock Bolt-in 88 cam: more torque for all around riding with heavy bikes, intended for stock compression ratio and pistons. Similar to #23 cam in EV80. (1700-4800 RPM). 349-4732 26G 11/35* 41/09* 226 230 262 266 .490 .490 .138 .112 Stock Bolt-in cam for 88-95 inches - stock compression ratio. Great for two up touring, this cam will add torque and HP at lower and middle RPM ranges. (1800-5200). 349-5207 31G 10/46* 52/08* 236 240 272 276 .510 .510 .131 .120 Stock Great cam for motors with 95+ inches and 10:1 CR. Lower TDC lift means easy installation. Similar to 37G but different timing. 2400-5800 RPM power range. 349-5208 32G 10/46* 52/08* 236 240 272 276 .570 .570 .131 .120 Hi-lift High lift version of 31G. Much more power thru RPM range with 10:1 compression pistons. 2800-5800 RPM. 349-4726 37G 18/38* 46/14* 236 240 272 276 .510 .510 .174 .148 Stock Hot street cams for 88 or 95 inches. 80+ rear wheel HP possible with well tuned 88 motor; more with 95. Smooth idle, broad torque (2200-5600 RPM) Stock to 9.5 CR. 349-4733 50G 20/48* 54/18* 248 252 283 287 .510 .510 .184 .168 Stock Designed for easy installation in 95 inch motors with stock heads and 9.5 to 9.8 C.R. (2400 to 6000 RPM). 349-4754 54G 16/42* 43/15* 238 238 273 273 .555 .555 .165 .158 Hi-lift Specially designed for 96 and 103 engines with CR up to 10:1 (2200-5600 RPM range). 349-4734 55G 22/46* 52/20* 248 252 283 292 .550 .550 .197 .181 Hi-lift Great cam for 95 inch engines with 9.8 to 10.2 C.R. Max HP - torque at mid and upper RPMs (2600-6200). 349-4728 59G 29/57* 63/27* 266 270 303 307 .590 .590 .238 .218 Hi-lift Great cam for 95-107+ inchers with 10:2 C.R. or higher. Max torque and HP (2700-6500+ RPM). 349-4735 60G 24/56* 58/22* 260 260 296 296 .560 .560 .205 .192 Hi-lift For well prepped 95-103 inchers with 10.0 to 10.5 CR, 100+ HP is within reach. (2700-6500+ RPM). 349-4729 64G 30/62* 66/30* 272 276 307 312 .640 .640 .262 .232 Hi-lift Big cams for modified 95-116+ inch motors running 10:2 CR or higher. Heads must be set for .700 lift and modified for max air flow. (3000-6500+ RPM). 349-5209 67G 24/48* 58/22* 252 260 287 297 .570 .570 .209 .187 Hi-lift Performance cams for 95-107+ inches, 10.0 to10.8 C.R. with high flow head setup. (2600-6400+ RPM). (*) Timing and duration listed for .053 cam lift. Inner Cam Drive Gears (2 pcs) Two inner cam drive gears are supplied with drive keys 349-4715 99-06 Undersize pinion gear 349-4717 99-06 Oversize pinion gear Gear Drive installation kit Gasket and bearings shown are necessary to complete the installation of gear drive camshafts. 349-4450 Installation kit 99-06 “ Not 06 Dyna“ 349-4795 Camshaft Ball Bearing (6004 Nacchi) ea 349-4796 Inner Case Needle Bearing ea * Will not fit 06 DYNA Outer Cam Gear Drive Kit • Better control of valve timing above 2,500 RPM • Longer life and durability over chain drives • Twin Cam 88TM carburated application This kit includes the crankshaft drive gear, camshaft drive gear, two class 8 retaining cap screws, camshaft drive key and one heat treated camshaft end thrust washer. 349-4731 Drive gear 2 outer drive gears (Outer cam gears) 349-4759 Undersize pinion gear(99-06) 349-4716 Oversize pinion gear(99- 06)


2016roadiron
To see the actual publication please follow the link above