1965 Royal Enfield Interceptor

1965 ROYAL ENFIELD INTERCEPTOR BACKGROUND
Royal Enfield hopped up its 692cc Constellation and created a new model, the 700 Interceptor in 1960, for sale in the US and Canada markets only (on England). They'd just lost their contract to rebadge Constellations with Indian Motorcycle regalia then selling them in the US (or trying) as the Indian Chief. It wasn't a great plan from the start, and from 1955 to 1960, far fewer bikes were sold than needed to be to ensure profitability. So now that all that factory capacity was freed up, the filled that gap with a new top-line model, the 1960 700 Interceptor. By 1962, they'd bumped displacement to 750, as it stayed until the last Interceptor rolled off the assembly line in 1970. At that time, ailing, struggling Royal Enfield sold all its assets to Madras Motors of India, who moved production to India, and still builds the single-cylinder Royal Enfield Bullet to this day.
1965 ROYAL ENFIELD INTERCEPTOR TUNING SECRETS
Royal Enfield felt they needed to do something meaningful if they were to overcome the bad reputation that the Indian debacle had cost them. So, when it came time to replace that bike with one of their own marque, they went all the way with performance modifications over the old Constellation upon which the Indian Chief was built. These were already very strong engines, one of the only British vertical twins with a center main bearing, aiding not only its bottom-end strength, but also its smoothness. First off the old 692cc Constellation engine got 2 carburetors instead of one, a lightened and balanced crankshaft, hot "R-grind" cams, and a Lucas magneto. Displacement was increased to 736cc in 1962.

1965 Royal Enfield Interceptor
SPECIFICATIONS

Engine type

Displacement

Bore & Stroke

Compression

Carburetors

Ignition

Engine output

Charging

Battery

Primary Drive

Clutch

Final Drive

Gearbox

Ratios, overall

1st, Bottom

2nd

3rd

4th, Top

Fuel capacity

Oil tank capacity

Wheelbase

Seat height

Ground clearance

Weight

Suspension, front

Suspension, rear

Brake, front

Brake, rear

Tire, front

Tire, rear

Top speed

Air-cooled OHV vertical twin

736cc

71mm X 93mm

8.0:1

2- Amal Monobloc

Lucas magneto

52.5 bhp @ 6,000 rpm

Alternator

12 volt

Duplex chain

Multi-plate, wet

Chain

4-speed constant-mesh, right foot shift


11.75:1

7.8:1

5.72:1

4.22:1

2.3 US gal

4.5 US pints

57.0"

31.0"

5.5"

410 lbs

Telescopic fork, 2-way damping

Swing arm, 2 coil-over dampers

2-sided 6" X 1" SLS drum

7" X 1" SLS drum

3.25" X 19" Dunlop

3.50" X 19" Dunlop

110-115mph



MORE ROYAL ENFIELD PAGES:
Royal Enfield Motorcycles
.....Royal Enfield Bullet
..........1949
..........1960
..........2002
.....Royal Enfield Interceptor
..........1963
..........1965
..........1967
..........1970


Check these out ROYAL ENFIELD BOOKS





Girl on a Bike 2018: Enjoy Boudoir Glamour with a Vintage Royal Enfield Motorbike (Calvendo Hobbies)



Royal Enfield Bullet: All Indian 350, 500 & 535 Singles, 1977-2015 (Essential Buyer's Guide)



Story of Royal Enfield Motor Cycles



BOOK OF THE ROYAL ENFIELD 1946-1962



Royal Enfield: The Post-war Models - 125, 150, 250, 350, 500, 700, 750 Singles and Twins



Royal Enfield Big Twins Limited Edition Extra 1953-1970



Royal Enfield



Royal Enfield: The Complete Story



RSA-LP-RE I Would Rather Be Riding My Royal Enfield Motorcycle License Plate


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