1967 Triumph TR6

1967 TRIUMPH TR6 BY THE NUMBERS
The 1967 model year included four Triumph TR6 Trophy models: TR6, TR6R, TR6C & TR6P. Engine & frame numbers ran from DU46201 to DU66246, built from September 14, 1966 to July 3, 1967.

ENGINE MODS
Hepworth & Grandage pistons replaced the Triumph units, while the 9.0:1 compression ratio remained unchanged. Starting with engine #DU63043 the final exhaust cam oiling scheme was introduced. Called "timed tappets", oil was fed to the exhaust tappet block at full & constant pressure, & the exhaust cam pushed the tappets up, they opened small oil ports that provided oiling to the exhaust cam lobes. Starting with engine #DU63241 an O-ring was installed on the tappet blocks to prevent oil seepage between the tappet blocks & the barrels. The oil pump was increased in scavenge capacity.

NEW CONCENTRIC CARB
Gone was the age-old Amal Monobloc carburetor. Starting with engine #DU63043 the 1967 Triumph TR6 got a new Amal Concentric (#R930/9-B) with a 30mm bore.
GEARBOX CHANGES
A new mainshaft with longer threads allowed the use of a self-locking nut. Alternate engagement dogs on the mainshaft second gear were deleted to ease shifting.

FRAME & CYCLE GEAR
The anti-theft steering lock was moved from the middle of the steering head to the bottom, now threaded for adjustment. All threads on the frames were now converted to UNF. A new fork top lug went along with the new lock set up. Front fork gaiters now got spring clips to secure them. From Engine #DU54659, O-rings were added to the fork seal holders to help prevent seepage.

BODY WORK
The parcel rack was eliminated from US models, & so the US-market tanks lost the threaded mounting lugs. From #DU54659, the oil tank reverted back to the old top-end oiling set up from 1965.

1967 Triumph TR6 SPECIFICATIONS


Model Designations:

TR6S/S

TR6C

TR6SC

TR6R

TR6SR

Engine Type

Displacement

Bore & Stroke

Compression

Carburetor

Ignition

Engine output

Primary drive

Primary sprockets

Clutch

Gearbox

Ratios, overall:

1st, bottom

2nd

3rd

4th, top

Final drive

Final sprockets

Frame type

Suspension, front

Suspension, rear

Brake, front

Brake, rear

Tire, front

Tire, rear

Fuel Capacity

Wheelbase

Seat height

Ground clearance

Dry Weight


Street scrambler

Off-road/street (dual purpose/enduro)

Off-road, competition

Roadster

High-performance roadster

Air-cooled OHV vertical twin

649cc / 40.0 ci

71mm X 82mm / 2.79" X 3.23"

8.5:1

1- Amal Concentric, 30mm

Battery & coil, Lucas

42 bhp @ 6500 rpm

3/8" triplex chain X 84 links

Engine 29T X Clutch 58T

Multi-plate, wet

4-speed constant-mesh, right-foot shift


11.8:1

8.17:1

6.76:1

5.84:1

5/8" X .400" X 3/8" chain X 106 links

Gearbox 19T X Rear 47T

Brazed lug, full-cradle, single downtube

Telescopic fork, hydraulic damping

Swing arm, 2 Girling dampers

8" SLS drum, full-width

7" SLS drum, one-side

3.25" X 19" Dunlop

4.00" X 18" Dunlop

2.5 Imp gal (US)/4 Imp gal (UK & export)

54.5" / 140.3 cm

32.5" / 77.5 cm

5.0" / 12.7 cm

380 lbs / 173 kg


MORE TRIUMPH TR6 PAGES:
Triumph TR6
Triumph TR6, Pre-Unit (1956-1962)
.....1956
.....1957
.....1958
.....1959
.....1960
.....1961
.....1962
Triumph TR6, Unit-Construction (1963-1970)
.....1963
.....1964
.....1965
.....1966
.....1967
.....1968
.....1969
.....1970
Triumph TR6, Oil-in-Frame (1971-1972)
.....1971
.....1972
Triumph TR7
.....1973
.....1976

MORE TRIUMPH:
Triumph T120 & T140 Bonneville
Triumph TR6
Triumph TR7
Triumph T110 & T110 Tiger
Triumph 6T Thunderbird
Triumph 5T Speed Twin
Triumph T150 & T160 Trident
Triumph X-75 Hurricane

Check out these TRIUMPH BOOKS


TALES OF TRIUMPH MOTORCYCLES & THE MERIDEN FACTORY


COMPLETE BOOK OF CLASSIC & MODERN TRIUMPHS


TRIUMPH BONNEVILLE & TR6


TRIUMPH MOTORCYCLES, THEIR RENAISSANCE & THE HINKLEY FACTORY


TRIUMPH SPEED TWIN & THUNDERBIRD BIBLE


HINKLEY TRIUMPH TRIPLES & FOURS ESSENTIAL BUYERS GUIDE


TRIUMPH PRODUCTION TESTERS’ TALES FROM THE MERIDEN FACTORY


TURNER’S TRIUMPHS: EDWARD TURNER & HIS TRIUMPH MOTORCYCLES


TRIUMPH TROPHY BIBLE


HINKLEY TRIUMPHS, THE FIRST GENERATION


BONNIE: THE DEVELOPMENT OF THE TRIUMPH BONNEVILLE


TRIUMPH: A CENTURY OF PASSION & POWER


TRIUMPH TWIN RESTORATION


CONENTRY’S BICYCLE HERITAGE


HOW TO RESTORE YOUR BSA ROCKET III/TRIUMPH TRIDENT


TRIUMPH & BSA TRIPLES: THE COMPLETE STORY OF THE TRIDENT & ROCKET 3


TIGER CUB BIBLE


TRIUMPH SINGLES: EARLY DAYS TO 1974 BY ROY BACON


BRITISH MOTORCYCLES: TRIUMPH


TRIUMPH MOTORCYCLE RESTORATION, PRE-UNIT


TRIUMPH PRE-UNIT TR5, 5T, 6T, T100 & T110 FACTORY SHOP MANUAL


TRIUMPH MOTORCYCLE RESTORATION


ILLUSTRATED TRIUMPH MOTORCYCLE BUYER’S GUIDE BY ROY BACON


FACTORY ORIGINAL TRIUMPH TWINS 1938-1962


TRIUMPH BONNEVILLE: PORTRAIT OF A LEGEND


TRIUMPH 650 & 750 TWIN REPAIR MANUAL 1963-1983, BY HAYNES


TRIUMPH MOTORCYCLES IN AMERICA


TRIUMPH BONNEVILLE 2001-2012 REPAIR MANUAL BY HAYNES


TRIUMPH BONNEVILLE: THE ESSENTIAL BUYERS GUIDE


TRIUMPH MOTORCYCLES TWINS & TRIPLES


TRUIMPH MOTORCYCLES: FROM SPEED TWIN TO BONNEVILLE


BOOK OF TRIUMPH TWINS BY CLYMER


TRIUMPH BONNEVILLE BIBLE, ALL MODELS 1959-1983


TRIUMPH TIGER CUB & TERRIER 1952-1968 REPAIR MANUAL BY HAYNES


TRIUMPH RACING MOTORCYCLES IN AMERICA


TRIUMPH MOTORCYCLES ILLUSTRATED WORKSHOP MANUAL 1945-1955 BY CLYMER


TRIUMPH 675 DAYTONA & STREET TRIPLE REPAIR MANUAL, 2006-2010


TRIUMPH TRIPLES & FOURS 1991-2004, HAYNES REPAIR MANAUL


TRIUMPH 350 & 500 UNIT TWINS ESSENTIAL BUYERS GUIDE


TRIUMPH TWIN RESTORATION BY ROY BACON


TRIUMPH BONNEVILLE & TR6 MOTORCYCLE RESTORATION GUIDE


TRIUMPH: RETURN OF THE LEGEND


BSA & TRIUMPH TRIPLES: GOLD PORTFOLIO


TRIUMPH MOTORCYCLE RESTORATION GUIDE: BONNEVILLE & TR6


TRIUMPH THUNDERBIRD 6T ROAD TEST 1966


TRIUMPH 500-750 TWINS 1963-1979, SERVICE, REPAIR & PERFORMANCE MANUAL


TRIUMPH TRIPLES


HOW TO RESTORE TRIUMPH TR5/250 & TR6


HOW TO RESTORE TRIUMPH TRIDENT T150/T160


TRIUMPH THRUXTON BONNEVILLE 1959-1969


TRIUMPH TIGER 800 SERVICE MANUAL 2010-2014, HAYNES


TRIUMPH TT600 MOTORCYCLE SERVICE MANUAL


TRIUMPH MOTORCYCLES


ORIGINAL TRIUMPH BONNEVILLE


TRIUMPH, BY ROY BACON


TRIUMPH ILLUSTRATED WORKSHOP MANUAL 1937-1951 BY ROY BACON


TRIUMPH 500 UNIT TWINS 1958-1973 REPAIR MANUAL, BY HAYNES


TRIUMPH T110R DAYTONA 1966-1969


TRIUMPH OWNERS MANUAL: UNIT CONSTRUCTION 350 & 500 TWINS

TRIUMPH INSTRUCTION MANUAL: TRW 499cc SV TWIN


TRIUMPH SPEED TWIN INSTRUCTION BOOK FOR 1939


TRIUMPH BONNEVILLE YEAR-BY-YEAR


CHILTON’S TRIUMPH MOTORCYCLE REPAIR & TUN-UP GUIDE


2010-14 TRIUMPH TIGER 800 HAYNES SERVICE MANUAL


TRIUMPH 650 & 750 TWINS: BONNEVILLE, TIGER, TROPHY & THUNDERBIRD


TRIUMPH MOTORCYCLE RESTORATION: PRE-UNIT, BY TIM REMUS


TRIUMPH MOTORCYCLE RESTORATION, BY TIM REMUS


TRIUMPH BONNEVILLE ROAD TEST PORTFOLIO, 2001-2008


TRIUMPH TRIDENT & BSA ROCKET 3 OWNERS WORKSHOP MANUAL, BY HAYNES


HINKLEY TRIUMPHS: THE FIRST GENERATION


TRIUMPH FUEL INJECTED TRIPLES 1997-2000


TRIUMPH SINGLES: EARLY DAYS TO 1974, BY ROY BACON


TRIUMPH PRE-UNIT TWINS WORKSHOP MANUAL, BY HAYNES


TRIUMPH DAYTONA, SPEED TRIPLE, SPRINT & TIGER 1995-2005 HAYNES SHOP MANUAL


TRIUMPH TIGER 100 & DAYTONA


McQUEEN’S MACHINES: THE CARS & BIKES OF A HOLLYWOOD ICON


TRIUMPH TWENTY-ONE TO DAYTONA: THE C-CLASS 350 & 500 TWINS


TRIUMPH 750/900 TRIPLES & 1200 FOUR 1991-1999 HAYNES REPAIR MANUAL


TRIUMPH, THE LEGENDS SERIES


TRIUMPH MOTORCYCLES & CUSTOM BIKES


TRIUMPH MOTORCYCLES TWINS & TRIPLES, BY REMUS


TRIUMPH MOTORCYCLES: THEIR RENAISSANCE & THE HINKLEY FACTORY


TRIUMPH MOTORCYCLES FROM 1950-1988


TRIUMPH MOTORCYCLES: THE GOLDEN YEARS


THE SCRAPBOOK SERIES I - TRIUMPH


TRIUMPH DAYTONA 1991-2006 ROAD TEST PORTFOLIO


CYCLE WORLD ON TRIUMPH 1967-1972


TRIUMPH SPEED TWIN & THUNDERBIRD BIBLE


TRIUMPH BONNEVILLE: T120/T140, BY HAYNES


SAVE THE BONNEVILLE: THE INSIDE STORY OF THE MERIDEN CO-OP


TRIUMPH: THE RACING STORY


TRIUMPH PRE-UNIT TWINS


LITTLE BOOK OF BRITISH MOTORCYCLES: TRIUMPH


CHILTON’S NEW REPAIR & TUNE-UP GUIDE FOR TRIUMPH MOTORCYCLES


THE TRIUMPH STORY: RACING & PRODUCTION MODELS 1902 TO PRESENT


TRIUMPH 1050 SPRINT, SPEED TRIPLE & TIGER, HAYNES REPAIR MANUAL


ILLUSTRATED TRIUMPH MOTORCYCLE BUYERS GUIDE POST-1945, ROY BACON


COMPLETE BOOK OF CLASSIC & MODERN TRIUMPHS


TRIUMPH BONNEVILLE


TIGER 100/DAYTONA: DEVEOPMENT HISTORY OF THE 500 TWIN


TOURING TRIUMPH TWINS, 3T, 5T, 6T, 3TA & 5TA, 1938-1966 BY ROY BACON


FACTORY TRIUMPH MOTORCYCLE SERVICE MANUAL


TRIUMPH CYCLES PATENT COLLECTION


TRIUMPH MOTORCYCLE OWNERS HANDBOOK, ALL MODELS 1937-1951


TRIUMPH MOTORCYCLES: A PRACTICAL GUIDE TO ALL MODELS FROM 1937




CHILTON’S REPAIR & TUNE-UP GUIDE, TRIUMPH THROUGH 1972


OVERHAUL MANUAL FOR TRIUMPH 3-CYLINDER ENGINE


TRIUMPH BONNEVILLE T120, 1959-1974, BY ROY BACON


TRIUMPH TIGER T100 & T110, 1939-1961, BY ROY BACON


TRIUMPH T90 & T100 UNIT TWINS, 1960-1974, BY ROY BACON


TRIUMPH REPLACEMENT PARTS CATALOGUE, 1972 TRIDENT T150


TRIUMPH TRIDENT SUPER PROFILE


TRIUMPH BONNEVILLE GOLD PORTFOLIO, 1959-1983


1969 TRIUMPH TROPHY 250 REPLACEMENT PARTS CATALOGUE


TRIUMPH 650 & 750 TWIN OWNERS WORKSHOP MANUAL


TRIUMPH: RED HOT BIKES


1966 TRIUMPH REPLACEMENT PARTS CATALOG #6: 3TA, 5TA, T90 & T100S/S


1961 TRIUMPH REPLACEMENT PARTS CATALOG: TWNETY-ONE, SPEED TWIN, TIGER 100


BONNEVILLE: THE WORLD’S FASTEST MOTORCYCLES


TRIUMPH WORKSHOP MANUAL FOR 750 BONNEVILLE & TIGER


TRIUMPH BONNEVILLE & TR6 BY TIM REMUS


TRIUMPH 650 & 750 UNIT TWINS 1963-1983, HAYNES REPAIR MANUAL


TRIUMPH OWNERS HANDBOOK FOR 1973 BONNEVILLE & TIGER


TRIUMPH PRE-UNIT TWINS WORKSHOP MANUAL


TRIUMPH 350/500 TWINS WORKSHOP MANUAL






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