Installation Guides, Technical Support
Changing Triumph 1945-1974 drum brakes.
Installing Triumph rear brake shoes 1945-1974 drum brakes. Triumph rear brakes as used on most models from 1945 to 1974.... read more
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Electrical Tech, Tuning tips & Tricks
Lucas ET Ignition Unraveled
Lucas Energy Transfer (ET) ignition unraveled Lucas AC or Energy transfer ignition was used on many competition motorcycles among them... read more
Technical Support, Tuning tips & Tricks
Understanding Triumph Tappet Blocks and Pushrod Tubes
The neophytes guide to Triumph motorcycle Tappet Blocks, and their applications made easier. The Triumph twin cylinder engine began life... read more
Manuals, Technical Support, Tuning tips & Tricks
Amal Concentrics Tuning and Jetting
Click here to download the Mk1_Hints_and_Tips PDF Click here to read more in depth about Amal carburetor tuning 1 HOW... read more
Installation Guides, Manuals, Technical Support, Tuning tips & Tricks
JRC PWK Carb Instructions
Click Here to download JRC Carb Tuning Guide Click Here to Order JRC Carb Spares INSTALLATION GUIDE FOR THE JRC... read more
Electrical Tech, Installation Guides, Manuals, Technical Support
Vape Ignition Installation and Troubleshooting
Click here to download the installation instruction PDF Vape Electronic Ignition For British Motorcycles 12 VOLT IGNITION – TWIN CYLINDER... read more
BSA FACTORY FILM
BSA Factory Film BSA FACTORY FILM BSA FACTORY FILM Posted by JRC Engineering, Inc. on Thursday, December 7, 2017 ... read more
IT’S A TRIUMPH FACTORY FILM
IT’S A TRIUMPH FACTORY FILM At JRC we are passionate about the British motorcycle community, that includes preserving the history... read more
Technical Support, Tuning tips & Tricks
Needle, needle jets, and the Amal Concentric
Click here to download the PDF Needle, needle jets, and the Amal Concentric The Amal concentric carburetor was introduced as... read more
Electrical Tech, Installation Guides, Technical Support
Lucas type ammeter installation instructions
Click here to download install PDF Lucas type ammeter installation instructions Lucas offered a number of different type ammeters over... read more
Installation Guides, Technical Support
Trident/Rocket 3 Throttle gantry conversion.
Download the PDF here Trident install Trident/Rocket 3 Throttle gantry conversion. JRC 14-315A Thank you for your purchase of JRC... read more
Electrical Tech, Installation Guides, Manuals, Technical Support
BOYER MKIV IGNITION SYSTEM FOR 12V TRIUMPH/BSA TWIN CYLINDER – KIT00052
DOWNLOAD PDF FILE HERE: JRC 3576 BOYER KIT00052 Boyer MKIV Ignition System For 12V Triumph/BSA Twin Cylinder JRC 3576 ... read more
Electrical Tech, Technical Support
Emgo 3 Phase Alternator
Emgo 3 Phase Alternator Kit DOWNLOAD PDF FILE HERE: JRC 17-111 Instructions Thank you for choosing Emgo products. Please read... read more
Electrical Tech, Technical Support
DC Generator Troubleshooting
The Lucas two brush Dynamo (generator) was fitted to most British motorcycles from the late 1930’s through the early 1960’s... read more
Electrical Tech, Technical Support
BRIGHTSPARK INSTALLATION
Click Here to Download Brightspark Condensectomy Booklet PDF Click Here to Download Lucas Magneto Workshop Notes PDF Although many things... read more
Heidenau Trials Tires
Just in, new Trials tires in traditional sizes. Heidenau trials tires, made in Germany to a very high standard. 4.00×18... read more
Electrical Tech, Technical Support
LUCAS ALTERNATOR TIPS
Lucas Alternator Manual 87 pages Lucas Alternator Tips and Hints The alternator system fitted to British bikes from the 1960... read more
Electrical Tech, Technical Support
3 PHASE CHARGING EXPLAINED
Understanding 3 phase alternators…. Three phase is nothing more than single phase with 2 extra coils slightly out of phase... read more
Trispark for 3 Cylinder
The new Tri-spark ignition for Tridents and BSA Rocket 3 is fully contained under the points cover! This is the... read more
CASWELL TANK SEALER INSTRUCTIONS
CLICK HERE FOR DETAILED INSTRUCTIONS INCLUDES 16 OZ OF PART A AND 8 OZ PART B IN CANS Motorcycle Kit... read more
Electrical Tech, Technical Support
ALTERNATOR ROTOR GAP
Importance of Checking Alternator Rotor Clearance Although not an everyday occurrence, having the rotor rubbing on the stator can lead... read more
Electrical Tech, Manuals, Technical Support
6 VOLT SINGLE PHASE
JRC 17-100A Basic Wiring Diagram 6 VOLT STOCK TRIUMPH HARNESS PRE 67 6 Volt Single phase replacement for Lucas rectifier and... read more
ANTI-WET SUMP CHECK VALVE INSTALL
Here are the installation instructions for the Al Miles Anti-Sump valve. It is not necessary to drain oil from the... read more
Installation Guides, Manuals, Technical Support
TRIUMPH 650 TO 750 BIG BORE KIT INSTRUCTIONS
JRC 650 TO 750 BIG BORE KIT INSTRUCTIONS DOWNLOAD PDF FILE HERE: TRIUMPH 650 TO 750 BIG BORE Thank you... read more
Desert Sled Parts Coming Soon!
We are moving quickly forward on our Desert Sled components! We have these sample Superior copy pipes as supplied in... read more