# Common Motor Collective

> Specialty vintage Honda motorcycle parts retailer and DIY cooperative workshop in Houston, Texas. We sell replacement parts for classic Honda motorcycles from the 1960s–1980s and provide expert how-to content for DIY mechanics restoring these bikes.

For the complete product catalog (744 products with SKUs, prices, fitment, and descriptions), see [llms-full.txt](https://www.common-motor.com/llms-full.txt).

Common Motor Collective stocks parts for Honda CT90, CB175, CB200, CB350, CB360, CB450, CB500, and CB550 motorcycles (plus CL, SL, and CJ variants). Our 230+ YouTube videos and knowledge base articles cover everything from brake rebuilds to full engine overhauls. We also designed the "Shockwave" electronic ignition system — a modern replacement for Honda's factory points ignition.

## Motorcycle Models

- [Honda CT90 / Trail 90 Parts](https://www.common-motor.com/honda-ct90): CT90 Trail 90 (1966–1979)
- [Honda CB175 / CB200 Parts](https://www.common-motor.com/honda-175-200): CB175, CL175, SL175, CB200, CL200 (1968–1976)
- [Honda CB350 / CL350 Parts](https://www.common-motor.com/honda-350): CB350, CL350, SL350 (1968–1973)
- [Honda CB360 / CL360 Parts](https://www.common-motor.com/honda-360): CB360, CL360, CJ360 (1974–1976)
- [Honda CB450 / CL450 Parts](https://www.common-motor.com/honda-450): CB450, CL450, CB500T (1965–1976)
- [Honda CB500 / CB550 Parts](https://www.common-motor.com/honda-cb550): CB500 Four, CB550 Four (1971–1978)

## Top Products

- [Spark Plug NGK BR8ES for Honda CB350 / CB360 / CB450](https://www.common-motor.com/honda-spark-plug-ngk): Direct-fit NGK spark plug for vintage Honda twins
- [Voltage Regulator / Rectifier for Honda Twins](https://www.common-motor.com/honda-cb-cl-rectifier-regulator): Modern combined regulator/rectifier replacement for all Honda twins
- [Carburetor Rebuild Kit for Honda CB350 / CL350](https://www.common-motor.com/honda-cb350-carb-rebuild-kit): Complete rebuild kit with jets, needles, float valves, gaskets, and O-rings
- [Exhaust Pipe Gaskets for Honda CB350 / CB360](https://www.common-motor.com/honda-350-360-exhaust-gasket): Copper exhaust gaskets, sold as pair
- [Spark Plug Boot for Honda CB350 / CB360](https://www.common-motor.com/honda-cb-spark-plug-boot): Replacement spark plug boot for Honda twin-cylinder motorcycles
- [Fuel Line 5.5mm Clear Poly](https://www.common-motor.com/clear-poly-fuel-line): Clear polyurethane fuel line, sold by the foot
- [Carburetor Rebuild Kit for Honda CB175 / CL175 / CB200](https://www.common-motor.com/honda-cb175-cl175-cb200-carburetor-rebuild-kit): Complete carb rebuild kit for Honda 175 and 200 twins
- [Ignition Coil for Honda CB350 / CB360 / CB450](https://www.common-motor.com/honda-ignition-coil): Replacement ignition coil for vintage Honda twins
- [Flip-Up Gas Cap Seal for Honda Twins and Fours](https://www.common-motor.com/honda-cb-cl-gas-cap-seal): Rubber seal for the flip-up style gas cap used on CB and CL models
- [Honda Flasher Relay](https://www.common-motor.com/honda-turn-signal-relay): OEM-style two-pin turn signal flasher relay
- [Carburetor Rebuild Kit for Honda CB360 / CL360 / CJ360](https://www.common-motor.com/honda-cb360-carb-rebuild-kit): Complete carb rebuild kit for all Honda 360 twins
- [Ignition Condenser for Honda CB350 / CB360 / CB450](https://www.common-motor.com/honda-ignition-condenser): Replacement ignition condenser for points-equipped Honda twins
- [Front Disc Brake Pads for Honda CB350G / CB360 / CB450 / CB500 / CB550](https://www.common-motor.com/honda-cb-brake-pads): Semi-metallic front disc brake pads, Italian-made, fits all disc-equipped Honda twins and fours
- ["Shockwave" Electronic Ignition System](https://www.common-motor.com/honda-shockwave-electronic-ignition): CMC-designed points replacement for Honda CB350, CB360, CB450, CB175, CB200

## Guides and Resources

- [Honda CB450 Engine Rebuild — Removing the Engine (Part 1)](https://www.common-motor.com/Honda-CB450-Rebuild-Removing-the-engine-Pt-1-Project-Diamond_b_12.html): Step-by-step engine removal guide for the Honda CB450
- [Honda CB360 / CJ360 / CL360 Cam Chain Tensioner Replacement](https://www.common-motor.com/Honda-CL360-CJ360-CB360-Cam-Chain-Tensioner-Replacement_b_11.html): How to replace the cam chain tensioner on Honda 360 twins
- [Honda CB450 Rebuild — Project Diamond](https://www.common-motor.com/Honda-CB450-Rebuild-Project-Diamond_b_10.html): Complete CB450 restoration series overview

## YouTube

- [Common Motor Collective YouTube Channel](https://www.youtube.com/@Common-motor): 230+ how-to videos for vintage Honda motorcycles, 40,700+ subscribers
- [How to Set the Ignition Timing on the Honda CT90 / Trail 90](https://www.youtube.com/watch?v=DT0zLjyfw54): Points ignition timing procedure for the CT90
- [Installing a Modern Regulator / Rectifier on the Honda CT90](https://www.youtube.com/watch?v=Qpw7cv0TwxA): Charging system upgrade for the Trail 90
- [Honda CB350 / CL350 Engine Rebuild Part 1: The Bottom End](https://www.youtube.com/watch?v=lqEDv9cmONA): Complete bottom-end rebuild walkthrough
- [Honda CB350 / CL350 Engine Teardown Part 1: Stator & Starter Clutch](https://www.youtube.com/watch?v=oZvBNEiNiXY): First step in a full engine teardown
- [Upgrading the Headlight Bucket on Your Vintage Honda Twin](https://www.youtube.com/watch?v=3plKAxWTi-A): Headlight bucket replacement for CB175, CB350, CB360, CB450
- [How to Rebuild the Centrifugal Auto Clutch on the Honda CT90](https://www.youtube.com/watch?v=Ysr8bH0Wxg0): Full auto-clutch rebuild guide
- [How to Set the Cam Chain Tension on the Honda CT90](https://www.youtube.com/watch?v=2va6GShMmSs): Cam chain tensioner adjustment procedure
- [How to Synchronize Carburetors on a Vintage Honda Four-Cylinder](https://www.youtube.com/watch?v=fS9-KLGHmDQ): Carb sync for CB550, CB500 four-cylinder Hondas (via Zendesk KB)
- [How to Set the Valve / Tappet Clearance on the Honda CT90](https://www.youtube.com/watch?v=c7QTzaCj9Mw): Valve adjustment procedure for the Trail 90

## Knowledge Base

- [How to Rebuild Keihin CV Carburetors on Honda CB350 / CB360](https://common-motor.zendesk.com/hc/en-us/articles/4415932258329): Complete carburetor rebuild guide with photos
- [Ultimate Guide to Rebuilding Your Vintage Honda Hydraulic Front Brake](https://common-motor.zendesk.com/hc/en-us/articles/4415335807257): Full front brake caliper and master cylinder rebuild
- [Choosing the Right Battery for a Vintage Honda Motorcycle](https://common-motor.zendesk.com/hc/en-us/articles/360021082471): Lead acid vs AGM vs lithium comparison for classic Hondas
- [How to Service the Mechanical Ignition Advance Mechanism](https://common-motor.zendesk.com/hc/en-us/articles/12623961861135): Points advance mechanism inspection, cleaning, and repair
- [How to Rebuild the Electric Starter Motor on a Honda CB350 / CB360](https://common-motor.zendesk.com/hc/en-us/articles/15179873036175): Full starter motor rebuild walkthrough
- [Pod Filters on Honda CV Carbs: What Works, What Doesn't](https://common-motor.zendesk.com/hc/en-us/articles/15148370143247): Pod filter compatibility and jetting guide for CV carburetors
- [Installing CMC Angle Boot Pod Filters on Honda CB350 / CL350](https://common-motor.zendesk.com/hc/en-us/articles/15281188430351): Step-by-step pod filter installation guide
- [5 Often-Missed Maintenance Jobs on Vintage Honda Motorcycles](https://common-motor.zendesk.com/hc/en-us/articles/15179311024783): Rear brake, steering bearings, swingarm, and more
- [Wiring the LED Diode for Single Turn Signal Indicator Motorcycles](https://common-motor.zendesk.com/hc/en-us/articles/15233940432527): LED conversion wiring guide
- [How to Use a Valve Spring Compressor on a Vintage Honda](https://common-motor.zendesk.com/hc/en-us/articles/15158393220751): Valve spring compressor technique for cylinder head work
- [What Is a Vacuum Sync and Why Your CB550 / CB750 Needs It](https://common-motor.zendesk.com/hc/en-us/articles/15158800649103): Carb sync explained for four-cylinder Hondas
- [How to Diagnose and Repair Common Carburetor Issues](https://common-motor.zendesk.com/hc/en-us/articles/14661307515023): Troubleshooting guide for vintage Honda carburetors
- [How to Troubleshoot and Restore the Electrical System](https://common-motor.zendesk.com/hc/en-us/articles/14661299138191): Electrical system diagnosis for vintage Honda motorcycles
- [How to Properly Store Your Vintage Honda Motorcycle](https://common-motor.zendesk.com/hc/en-us/articles/14661264269071): Winterization and long-term storage guide

## Contact

- [Common Motor Collective Store](https://www.common-motor.com): Main website and online store
- Email: commonmotor@gmail.com
- Location: Houston, Texas
- [YouTube](https://www.youtube.com/@Common-motor)
- [Zendesk Help Center](https://common-motor.zendesk.com/hc/en-us)

## Optional

- [Honda Fitment Chart Generator](https://www.common-motor.com/honda-chart-generator-v2.html): Interactive tool for building Honda motorcycle parts fitment charts
- [Used Parts Policy](https://common-motor.zendesk.com/hc/en-us/articles/14661311862799): Policy for used vintage Honda parts sales
- [How to Join the CMC DIY Workshop](https://common-motor.zendesk.com/hc/en-us/articles/14661323982991): Information about the cooperative motorcycle workshop
- [Recommended Tools and Workspace Setup](https://common-motor.zendesk.com/hc/en-us/articles/14661299109775): Tool recommendations for vintage Honda restoration