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Technical Bulletins

Cobra is dedicated to making information easily available to our customers. Below, please find our most current technical bulletins

Technical Support Line
Monday – Friday  8:00am – 3:30pm EST
(517) 437-9100 (Option “0” to ask for support)

2019 Technical Service Bulletins

TSB0119 CX50 Front Fenders
TSB0219 CX65 Swingarms
TSB0319 50cc piston rings

2020 Technical Service Bulletins

TSB0420 .7mm Base Gaskets

2021 Technical Service Bulletins

TSB0821 Factory Works Cylinders

2016 Technical Service Bulletins

TSB0116 – 2016 King Radiator on older Models
TSB0216 – 50cc Clutch Baskets
TSB0316 – Intake Boot for CX65
TSB0416 – Silencer to Pipe Sleeves
TSB0516 – Sprocket Shims
TSB0616 – Swingarm Pivot Bolts for All Bikes
TSB0716 – Clutch Nut Belleville on CX50’s
TSB0816 – CX50 FWE Jetting
TSB0916 – CX50 FWE Water Pump Pulleys
TSB1016 – CX65 Kick Ramp/Ramp Gear – 2014 & older 
TSB1116 – Head Insert for CX65
TSB1216 – Air filter for CX50 JR
CSB0116 – Mod Kit for FWE Engine
TSB1416 – CX65 CDI Unit
TSB1616 – CX50 FWE Intake Spacer
TSB1716 – Transmission Components for CX65

2017 Technical Service Bulletins

TSB0117 – 2016 CX50 FWE Cylinders
TSB0217 – Carburetor Bowl Kit for CX50
TSB0317 – Carburetor Cover for CX50
TSB0417 – Head Insert for 2016.5 CX50 FWE
TSB0517 – Transmission and Clutch Oil for CX50
TSB0617 – Cylinder Head Nut Torque on Venom 50 Engines
TSB0717 – Crank Bearings for 2017 CX65 Engines
TSB0817 – Clutch Cap for CX65
TSB1017 – Rear Brake Master Cylinder 2016 CX65
TSB1117 – Tool for Draining the Oil from CX65
TSB1217 – Bearing Retainers in 50 Engines
TSB1317 – Brake Fluid for the Rear Brake 2017 CX65
TSB1417 – Rear Pedal Service Intervals on 2017  CX65
TSB1517 – Piston for CX65 with 44.5mm Bore
TSB2017 – P3 Shock Absorber
TSB1717 – Chain Sliders for 2017 50’s and 2016 FWE
TSB1817 – Clutch Bolts for CX50 Clutch Stacks
TSB1917 – JR and P3 Radiator
TSB2017 – CX65 Bottom Radiator Mount Improvement
TSB2117 – Optimized Clutch Washer Stacks for each CX50’s
TSB2317 – Carburetor Slides for 50’s

2018 Technical Service Bulletins

TSB0118 Rear Sprockets for 50’s
TSB0218 Coolant Hoses for 2018 CX50’s
TSB0618 Power Valve Cable 2013 – 2014 CX65
TSB0318 CX50JR & P3 Front Brake Lever

TSB0918 JR triple clamp and front fender
TSB1118 Radiator Mounting for 2017 & 2018 CX65
TSB0518 Top End fo CX50 Venom Engine
TSB0718 Chain for 50s
TSB0818 CX50 Sprocket Bolts
TSB1418 Throttle cable strain relief to carburetor
TSB0418 Torque Specification Update

2010 Technical Service Bulletins

TSB0111 – JR/OI Fork Dust Cover (Swiper)
TSB0110 – Steering Stem Cap
TSB0210 – Clutch Washer Stacks
TSB0310 – Shock Compression Adjust Knob CX65
TSB0410 – 2010 CX65 Pipe
TSB0510 – 2010 King Chain Guard Bolt
TSB0610 – 2010 CX65 Subframe
TSB0710 – Clutch Summary
TSB0810 – Fuel Petcock
TSB0910 – Clutch Arbors
TSB1010 – JR Case Vent
TSB1110 – King Expansion Chamber
TSB1210 – King and JR Cylinder Head Insert
TSB1310 – CFD Hub Pressure Plate Assembly
TSB1410 – CX65 Carburetor

2011 Technical Service Bulletins

TSB0011 – King Head Insert
TSB0111 – Swiper for JR and OI
TSB0211 – 2010 King Air Filter Cage Upgrade
TSB0311 – Kick Lever
TSB0411 – 50cc Output Shaft
TSB0511 – 50cc Brake Pedal
TSB0611 – 2010 CX65 Cylinder and Head Insert
TSB0711 – Liquid Performance Mini Coolant
TSB0811 – 50cc Top-End Connecting Rod Bearing
TSB0911 – Cobra Friction Drive – V3
TSB1011 – 65cc Ignition
TSB1111 – 50cc Clutch Arbor
TSB1211 – CX65 Rear Brake Bleeding Procedure
TSB1311 – CX65 Piston
TSB1411 – King and JR Front Engine Mounts
TSB1511 – Three-Shoe Clutch Washer Stacks
TSB1611 – New-Style Clutch Shoes
TSB1711 – King and CX65 Triple Clamps
TSB1811 – JR Ignition Coil

2012 Technical Service Bulletins

TSB0112 – ECX80 Head Nut Torque
TSB0212 – Autolite Spark Plugs
TSB0312 – Replacement Silencer Grommets
TSB0412 – 50cc Cylinder Kits Service Replacement
TSB0512 – Cobra Water Pump Seals
TSB0612 – 2007-2009 CX65 Exhuast Pipe
TSB0712 – CX65 Fork Seal & Swiper
TSB0812 – V3 CFD Refresh Kits
TSB0912 – 2008 King 50 Expansion Chamber
TSB1012 – CX65 Exhaust Flange Sealing
TSB1112 – CX65 Rear Brakes
TSB1212 – 3-Shoe Clutch Assembly
TSB1312 – CX65 Spark Plug Recommendations
TSB1412 – Cobra Front Forks
TSB1512 – Solenoid Care on 2012 CX65
TSB1612 – 60 Mod Head Insert Guide
TSB1712 – Rear Brake Bleeding CX65 II
TSB1812 – Fuel Requirements for 2012 CX65
TSB1912 – Silencers for all Cobra Products
TSB2012 – Top End Details for 70SS Engine
TSB2112 – CX665 Power Valve Gasket
TSB2212 – 50cc Intake Screws Re-Tignhtening

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