Triumph Motorcycle Cylinder Head Identification

3TA Cylinder head identification.

Triumph motorcycle cylinder head identification. 1 modify the heads ports and valves to flow 170 cfm 2 select a different set of heads that flow 170 cfm or 3 accept less than maximum performance from the 150-cfm heads. THERE ARE NO CRACKS OR BRAKES IN THE FINS. Vintage Triumph motorcycle engine numbers are stamped into the case just below the cylinder on the primary side.

Im pulling the single carb head and replacing it with the original dual carb set-up. Triumph Tri-Cor Triumph 500cc Racing Engine Sheet - Date approx 19611962 click. 400 Chrysler B Big Block V8.

Local time Today 1537 Joined Aug 6 2013 Messages 8 Points 5 Location birmingham My Ride twenty one Sep 6 2013 1 Hi just found answer in a parts catalogue. Frame numbers are stamped into the frame on the headstock also on the same side. Triumph Tri-Cor 500 Cylinder Head CD274 Back in 1961-1962 Tri-Cor in Baltimore Maryland was offering race parts for sale and modification to dealers and racers alike.

If we assume your engine displacement requires 170 cfm of airflow at 6000 rpm and your cylinder heads only flow 150 cfm you have three options. Inner bolts are all the same from 1963-1970. An engine number is found on the left side of the crankcase engine block.

Lucas High Performance Semi-Synthetic 2-Cycle Oil has been specifically developed to give a long trouble-free life to gasoline-powered 2-cycle engines. Amazing quality work using the best parts and practices from an experienced engine builder. They stopped doing that some later heads have the oval mark with no numbersThey still have a casting numberlike E 3663 to identify them.

Center head bolts are all the same. Frame numbers match the engine number after 1950 but may not have the model designation only the numbers. Shopping in our Triumph Rocket III Engine Parts selection you get premium quality Cruiser Bike products without paying a premium.