Offroad 2020

ENGINE accessories body handlebar & grips cables & levers engine fuel & intake electrical & ignition clutch drive bearings brakes steering & suspension tires exhaust chemicals tools & shop 479 2020 OFFROAD CATALOG MAKE MODEL YEARS DESCRIPTION VALVE SPRING KIT HONDA CRF 450R 09-14 EXHAUST SPRINGS MAX LIFT AT OE INSTALLED HEIGHT 0.478” INTAKE SPRINGS MAX LIFT AT OE INSTALLED HEIGHT 0.529”. SPRINGS FIT CAM 870243,870244,870245,870246,870247,870248,870256,870254,870256,8702 57,870258 870249 169.95 KAWASAKI KX 250F 04-14 EXHAUST SPRING MAX LIFT AT OE INSTALLED HEIGHT 0.445” INTAKE SPRING MAX LIFT AT OE INSTALLED HEIGHT 0.504”. 870282 169.95 SUZUKI RMZ 250 07-14 EXHAUST SPRING MAX LIFT AT OE INSTALLED HEIGHT 0.474” INTAKE SPRING MAX LIFT AT OE INSTALLED HEIGHT 0.454”. 870319 169.95 HOT CAMS DIRTBIKE VALVE SPRING KITS • Created from premium, Japanese spring steel, these springs will allow the trouble-free use of more demanding, higher performance cams • Includes valve springs, base washers, and retainer s CAM SHAFT INSTALLATION KITS PISTON STOP KIT Included Items: (1) 10mm-1.00 x 5 7/8 in. long black aluminum piston stop (1) 10mm x 6mm black aluminum spacer (1) 12mm-1.25 x 5 7/8 in. long black aluminum piston stop (1) 12mm x 6mm black aluminum spacer (1) 14mm-1.50 x 5 7/8 in. long black aluminum piston stop (1) 14mm x 6mm black aluminum spacer 871698 40.35 Hot Cams installation kits help with the process of keeping an eye on your camshaft centerlines. The accurate measuring tools in these kits will get you dialed-in for better performance. Each of the Hot Cams kits includes a degree wheel, dial indicator, adjustable magnetic stand, and three positive stops (10mm, 12mm, and 14mm threads), plus a great wooden carrying case to keep everything in. Centerline placement relative to TDC affects how your camshaft will perform and operate. 870818 201.95 SAE 870819 201.95 METRIC MODEL YEARS DESCRIPTION Intake Lift IntakeLobe Center Intake Duration IntakeValve Lash Exhaust Lift Exhaust LobeCenter Exhaust Duration Exhaust ValveLash PART # YAMAHA CONTINUED YZ 450 F 16-17 Camshaft Exhaust Stage 1 exhaust cam:Good low to mid range gains up to 9200 RPM with minor loss to redline:Designed with ImprovedThrottle Response (I.T.R.) technology:Uses stock valve springs:Dual-cam engine: Intake and exhaust cams sold separately:Supplied with decompression mechanism ----- ----- ----- ----- 9.576 101.58 250.2 0.185 833925 222.15 YZ 450 F 16-17 Camshaft Exhaust Stage 2 exhaust cam:Slight bottom end gain to 4800 RPM and good gains from 6500 RPM to redline:Designed with ImprovedThrottle Response (I.T.R.) technology:Uses stock valve springs:Dual-cam engine: Intake and exhaust cams sold separately:Supplied with decompression mechanism ----- ----- ----- ----- 10.16 106.45 260.39 0.185 833926 222.15 YZ 450 F 16-20 Camshaft Intake Stage 1 intake cam:Good low to mid range gains up to 9200 RPM with minor loss to redline:Uses stock valve springs:Dual-cam engine: Intake and exhaust cams sold separately 10.414 99.17 248.39 0.135 ----- ----- ----- ----- 833920 222.15 YZ 450 F 16-20 Camshaft Intake Stage 2 intake cam:Slight bottom end gain to 4800 RPM and good gains from 6500 RPM to redline:Uses stock valve springs:Dual-cam engine: Intake and exhaust cams sold separately 10.795 106.48 262.55 0.135 ----- ----- ----- ----- 833922 222.15 YZ 450 F 18-20 Camshaft Exhaust Stage 1 exhaust cam:Good low to mid range gains up to 9200 RPM with minor loss to redline:Designed with ImprovedThrottle Response (I.T.R.) technology:Uses stock valve springs:Dual-cam engine: Intake and exhaust cams sold separately:Supplied with decompression mechanism ----- ----- ----- ----- 9.576 101.58 205.2 0.185 833921 222.15 YZ 450 F 18-20 Camshaft Exhaust Stage 2 exhaust cam:Slight bottom end gain to 4800 RPM and good gains from 6500 RPM to redline:Designed with ImprovedThrottle Response (I.T.R.) technology:Uses stock valve springs:Dual-cam engine: Intake and exhaust cams sold separately:Supplied with decompression mechanism ----- ----- ----- ----- 10.16 106.45 260.39 0.185 833923 222.15 YZ 450 FX 16-20 Camshaft Exhaust Stage 1 exhaust cam:Good low to mid range gains up to 9200 RPM with minor loss to redline:Designed with ImprovedThrottle Response (I.T.R.) technology:Uses stock valve springs:Dual-cam engine: Intake and exhaust cams sold separately:Supplied with decompression mechanism ----- ----- ----- ----- 9.576 101.58 205.2 0.185 833921 222.15 YZ 450 FX 16-20 Camshaft Exhaust Stage 2 exhaust cam:Slight bottom end gain to 4800 RPM and good gains from 6500 RPM to redline:Designed with ImprovedThrottle Response (I.T.R.) technology:Uses stock valve springs:Dual-cam engine: Intake and exhaust cams sold separately:Supplied with decompression mechanism ----- ----- ----- ----- 10.16 106.45 260.39 0.185 833923 222.15 YZ 450 FX 16-20 Camshaft Intake Stage 1 intake cam:Good low to mid range gains up to 9200 RPM with minor loss to redline:Uses stock valve springs:Dual-cam engine: Intake and exhaust cams sold separately 10.414 99.17 248.39 0.135 ----- ----- ----- ----- 833920 222.15 YZ 450 FX 16-20 Camshaft Intake Stage 2 intake cam:Slight bottom end gain to 4800 RPM and good gains from 6500 RPM to redline:Uses stock valve springs:Dual-cam engine: Intake and exhaust cams sold separately 10.795 106.48 262.55 0.135 ----- ----- ----- ----- 833922 222.15 HOT CAMS DIRTBIKE CAMSHAFTS CONTINUED This Hot Cam piston tool is designed to stop the piston in order to find top dead center 10, 12, and 14 mm increments that thread into the spark plug hole for accurate use.