1973 Rokon Automatic RT340 TCR Road Test

Ever hear of a Rokon? It’s not a Japanese horror movie monster, nor is it nokor spelled backwards. Chances are, unless you’re a middle-aged game hunter, you’ve never heard of the marque. Rokon’s first endeavor in building two wheelers is an incredible contraption, much more likely to be sen in outdoor magazines than bike books. It has tractor treaded ATV-type tires, a very vertically compact chassis and power plant, about two feet of ground clearance, and a tiny Chrysler outboard engine which powers both wheels through a series of chains, sprockets, U-joints and drive shafts. Called the TrailBreaker, the little machine was designed ot cross rugged terrain…

…So when Rokon decided to get into the enduro bike market, they obviously had to build a new machine: there just weren’t all that manyh enduros being run with five mph average speed schedules…

…The complete name for the new bike is the Rokon RT-340 TCR Automatic Enduro. The first two letters have no particular significance except as a model designation. The engines piston nominally displaces 340cc (actual 335cc), and the bike is a Tom Clark Replica. Tom Clark is, and has been (according to which facts and opinions are considered), an astonishing number of things. On a strictly organizational level, though, Clark has been a very fast professional racer, an airplane salesman, a BSA and then Yamaha field representative, the Director of Professional Competition for the AMA, and a Vice President / Sales for Rokon…

1973 Rokon Automatic RT340 TCR Road Test 10-Page Article available at www.DadsVintageAds.com

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1973 Rokon RT-340 – world’s first automatic high performance motorcycle

1973 Competition: 6 Gold Medals, 10 Silver Medals, 6 Bronze Medals, 1st ISDT Engineering Achievement Award.

1973 Rokon RT-340 Photo / Specifications Sheet available at www.DadsVintageAds.com

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1973 ISDT Silver Medal Winner Gary Snider on his Rokon Automatic Photo/Results

ISDT silver medal winner, Gary Snider, finds cast alloy wheels and hydraulic disc brakes are two of the most dependable pieces of standard equipment you could have on a 1000 mile Enduro.

1973 ISDT Silver Medal Winner Gary Snider on his Rokon Automatic Photo/Results available at www.DadsVintageAds.com

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1973 Rokon Motorcycle Retail Price Bulletin

Explorer Mark III three speed transmission – $845
Mark III Automatic torque converter – $845
RT-350 Automatic – $1645
Trail-breaker Mark IV Three sped transmission – $845
Trail-breaker Mark IV Automatic Torque converter – $845

Rokon, Inc., 160 Emerald St., Keene, N.H. 03431

1973 Rokon Motorcycle Retail Price Bulletin available at www.DadsVintageAds.com

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1973 Rokon RT340 Automatic TCR (Tom Clark Replica) Road Test

A revolutionary concept that could dictate a new future for off-road motorcycling.

1973 Rokon RT340 Automatic TCR (Tom Clark Replica) Road Test 6-Page Article available at www.DadsVintageAds.com

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1973 ISDT silver medal winner Gary Snider on his Rokon Automatic

I.S.D.T. silver medal winner, Gary Snider, on his American engineered and manufactured Rokon Automatic. On reverse side, ISDT competition results 1972-1973.

RT340 RT-340

1973 ISDT Silver Medal Winner Gary Snider on his Rokon Automatic Photo/Results available at www.DadsVintageAds.com

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1973 Rokon RT-340 Automatic ISDT Results / Factory Team Photo

On September 17, 1973, the Rokon factory team started a six day journey carrying them 1000 miles through the toughest terrain possible, the 48th International Six Days Trial, better known as the Olympics of Motorcycling. On September 22, this same team crossed the finish line, tired but successful. Jim Simmons had earned a bronze medal, Gary Snider a silver meal and Jim Fogle a bronze medal. In addition, the team brought home a special award – the Engineering Achievement Award, a 1st in 48 years of ISDT competition.

RT340

1973 Rokon RT-340 Automatic ISDT Results / Factory Team Photo available at www.DadsVintageAds.com

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1973 Rokon RT-340 Automatic Road Test

The first thing that grabs you about this new enduro is that it’s an automatic…but there’s a lot more to it than that.

RT340

1973 Rokon RT-340 Automatic Road Test 4-Page Article available at www.DadsVintageAds.com

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1973 Rokon Trail-Breaker Explorer Mark III Two-Wheel Drive

Original photo/specification sheet for the 1973 Rokon Trail-Breaker Explorer Mark III Two-Wheel Drive

1973 Rokon Trail-Breaker Explorer Mark III Photo / Spec Sheet available at www.DadsVintageAds.com

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1973 Rokon Trail-Breaker Mark IV Automatic Photo / Spec Sheet

A new concept in versatility. Independent chain drive to both wheels has opened new horizons of useful work functions. Wide, deep-cleated, low-pressure tires, get a super grip on any surface you choose to traverse – mud, sand, snow, creek bed, marshland, fallen trees, boulders, etc. As a tractor, Mark IV can perform a variety of agricultural functions. It can pull gardening and small farm implements such as lawn mower, lawn roller, fertilizer applicator, seed broadcaster, drag and disc harrows, york rake, plow, tilt-bed cart with a load capacity of 1000 lbs.

1973 Rokon Trail-Breaker Mark IV Automatic Photo / Spec Sheet available at www.DadsVintageAds.com

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1973 Rokon Trail-Breaker Brochure – the world’s only truly remote area vehicle

Separate front and rear wheel drive for super traction, goes where no other vehicle can operate. Built for forest riding, mountain climbing and desert exploring, adds an exciting new dimension to travel experience. 6-Page brochure includes, photos, descriptions, specs

1973 Rokon Trail-Breaker 6-Page Brochure available at www.DadsVintageAds.com

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1973 Rokon Trail-Breaker MK-IV Photo/Specifications Sheet

Here is the escape machine for everybody. Like its big Explorer brother, the sporty Trail-Breaker Mark IV moves you on or off the trail with the absolute reliability only all-wheel drive can give.

1973 Rokon Trail-Breaker MK-IV Photo/Specifications Sheet available at www.DadsVintageAds.com

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1958 Triumph 3TA – a true gentlemen’s motorcycle

Cover Story: 1958 Triumph 3TA – Dick Castelhano’s 350cc Bathtub – though only displacing 350cc, the Triumph model 21 or 3TA, is a true gentlemen’s motorcycle; Features: Project two-cam part 1 – 1929 Harley-Davidson JDH restoration; 1971 Columbus, Ohio Half Mile – “Black” Bart’s last national victory; 1978 Kawasaki Z1-R – Jim Goebel’s Z1R is a keeper; Rokon Trail Breaker -a history of America’s off-road oddity; more

Z-1

1995 April Old Bike Journal Motorcycle Magazine Back-Issue available at www.DadsVintageAds.com

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1975 Rokon 340 MXII Road Test / Specs – assaulting the Open class automatically

Road Tests: Rokon 340 MXII – assaulting the Open class automatically, Honda CR250M1 -has the Elsinore changed enough?; Touring: Just Passin’ Through- Honda CB750F Super Sport takes on California’s Mother Lode country; Special Preview: Suzuki RM250 and 750 MXers; Laguna Seca Road Race National; more

CR250-M1 CR-250 CB750-F CB-750

1975 November Cycle World Motorcycle Magazine Back-Issue available at www.DadsVintageAds.com

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1973 Dunstall 850 Norton Road Test / Specs – a different approach for Britain’s biggest Twin

Road Tests: Dunstall 850 Norton -a different approach for Britain’s biggest Twin, Rokon RT340 Automatic TCR, GRM Islo Trialsmaster (Grapevine Racing Motors designed by Bill Grapevine), Jawa 500DT, The Can-Am Brigade – four dirt machines with an innovative application of the rotary valve; Special Feature: Speedway! Zany, colorful racing tight as a banjo string; Competition: Superbowl of Motocross; Race of the Americas, Lima, Peru; Loudon Road Race National; Hang Ten U.S. Grand Prix; Technical: wire your Yamaha for night racing; Feature: History of Zundapp; more

500-DT RT-340

1973 October Cycle World Motorcycle Magazine Back-Issue available at www.DadsVintageAds.com

1972 Honda Four-Valve 250 Single Engine – comprehensive tech and test

Cover: Honda’s first true dual-purpose bike is powered by this exotic OHC four-valve single-cylinder four-stroke torquer, and we do mean torquer…

Contents: Honda Four-Valve 250 Single – comprehensive tech and test; Lightweight Tests: Bultaco 125 Pursang, Indian 70 Mini SE-75 Super Enduro, Rokon 2-Wheel Drive Trail-Breaker; X-Rated Racer – Tony Murphy rides new Harley 750; Stuntmen ride real bombs – on location with J.N. Roberts and Alan Gibbs; Team Hansen – Nixon and du Hamel join the veteran tuner; History of the Square Four; How to replace your Yamaha fork seals; Paddle tires -a family invention that tames sand dunes; Honda for ’72; Ducati 750 – a technical impression of the big V-twin; more

SE75

1972 April Motorcyclist Motorcycle Magazine Back-Issue available at www.DadsVintageAds.com



British Motorcycle Owners Association Rally in New Ulm, Texas

Cover: 1948 Vincent HRD Rapide; Features: British Motorcycle Owners Association Rally in New Ulm, Texas; Maico 400 GP; Triumph Resto – bringing a ’66 Bonnie back to life; How to Race Vintage – why remain a spectator?; Rokon Trail-Breaker – on funky set of wheels; Departments: Where are they now?; Showcase; Bench; Color Classifieds; Letters; Checkpoint; Rides; Moments; Wild Bikes; more

1999 January Old Bike Journal Motorcycle Magazine Back-Issue available at www.DadsVintageAds.com

1976 Cycle World Road Test Annual & Buyers Guide

Road Tests: Ducati 860, Honda GL1000 Gold Wing, Honda CB550 Super Sport, Kawasaki 750 Mach IV, Norton 850 Interstate, Triumph T160 Trident; Enduro Tests: Bultaco 360 Frontera, Yamaha TT500C; Motocross Tests: Can-Am 125 MX, Husqvarna 360 GP, Kawasaki KX250A, Maico 250 GP, Montesa 250 MX, Rokon 340 MX, Suzuki RM370 MX, Suzuki RM125 MX, Yamaha YZ125C Monoshock, Yamaha MX400B Monoshock; Touring – Just Passin Through: BMW R75/6, Honda CB750F Super Sport, Suzuki RE5; more

GL-1000 CB-550 T-160 TT500-C TT-500 KX250 KX-250 RM370 RM-370 RM-125 YZ125-C YZ-125 MX400-B MX-400 R75-6 R-75 CB750-F CB-750 RE-5

1976 Cycle World Road Test Annual & Buyers Guide Motorcycle Magazine Back-Issue available at www.DadsVintageAds.com



1973 Petersen’s Motorcycle Buyers Guide

By the editors of Motorcyclist Magazine. Full Coverage! Photos and Specs!

Contents: 1973 the year of excitement; Super Benelli Six in a row; The RZ201; Is the shift lever extinct?; Kawasaki Z-1 – 1000 miles later; The Amazing RT-340; Specifications; Benelli, BMW, Bultaco, Cooper, Dalesman, DKW, Ducati, Greeves, Harley-Davidson, Hodaka, Honda, Husqvarna, Indian, Jawa CZ, Kawasaki, Maico, Monark, Montesa, Moto Guzzi, MZ, Norton Villiers, Ossa, Penton, Power-Dyne, Puch, Rickman, Rockford, Rokon, Suzuki, Triumph, Yamaha, Yankee, Zundapp; Mini-Bikes; Cafe Racers; more

1973 Petersen’s Motorcycle Buyers Guide available at www.DadsVintageAds.com




1973 Motorcycle Buyers Guide – Complete Specs on all 1973 Bikes!

Contents: 1973 Superbike Comparison, 7 bikes rated 1-7; Category Index – brands listed by cc and purpose; The ’73s -this is why you buy the Buyers Guide; Minibike / Minicycle Catalog; How much do they really weigh; Dynamometers do not lie; How an old Ducati restored a man; Map freaks have more fun; Break-In made easy; Accessories; Motorcycle Laws by State; more

1973 Cycle Buyers Guide Motorcycle Magazine Back-Issue available at www.DadsVintageAds.com