1971 "Bad Trip" Vintage Custom Space Age Honda Chopper Motorcycle

1971 Joe Mathew's Bad Trip Custom Honda Chopper Motorcycle 3-Pg Photo Article available at www.DadsVintageAds.com

Space Age Honda... Joe Mathew's Bad Trip is one of the most out of sight Honda customs to come down the pike in a long time...








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1971 Harley-Davidson 1200cc Electra Glide

1971 Harley-Davidson 1200cc Electra Glide Ad available at www.DadsVintageAds.com

Electra Glide. On the road it stands alone. 1200cc Electra Glide. Big-twin performance that keeps you hanging in on any tour. Dependable power and comfort on the open highway or heavy country. Cast and polished covers. Trouble-free Bendix carburetor for quick, all weather starts, smooth throttle response. High-output alternator, push-button starter. Timeless elegance of the world's finest motorcycle. Electra Glide. Road riders' choice. From Harley-Davidson. Number one where it counts...on the road and in the records. AMF Harley-Davidson, Milwaukee, Wisconsin 53201








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1971 Yamaha 125 AT1-C Enduro Gearbox Ad

1971 Yamaha 125 AT1-C Enduro Gearbox Ad available at www.DadsVintageAds.com

When you're up to your skidplate in mud, the last thing you need is a gearbox designed to win Daytona.

We've go a gearbox that has beaten Daytona, six years in a row, but we'd no more send you into Baja with a Ferrari. Al thel things that make our close ratio five-speed a jewel on a racing bike make it a roving disaster on a dirt bike. So for our Enduros we've put together a super boondock beater - a wide ration five-speed that puts the power where you need it. The difference is this: Racing machines do most of their traveling at relatively high speeds, so they're geared for top speed. In the dirt, the going is much slower and tougher. You need a gearbox which gives low end performance. Ours does. You could solve it by putting a larger rear sprocket on the bike. But that would effectively lower all the ratios and leave you with a pretty slow top gear. That's why we spread our ratios out. Our Enduro low gear is a stump puller that'll take you right up a wall if you can get the traction. Top gear, on the other hand, is right where it ought to be for covering a lot of flat ground in a hurry. Second, third and fourth sort of split the difference. You can see what we mean from the diagram here. This way, when you're up to your skidplate in mud and hoping for a lot of torque, you've got it. And when there's nothing but open field in front of you, you can fly like the wind. I's a crucial difference, but one that a lot of other dirt bikes seem to have missed. You'll find this type gearbox on al the Yamaha Enduros, including the 125 AT1-C shown here. The AT1-C has a lot of other differences, too. Like high performance Enduro forks that can take a 10-foot plunge without putting an abrupt end to the day's riding. Five-port power to make the most out of every cc in the engine. Dustfree, waterproof brakes, separate instruments and a lot of other niceties that all add up to one thing: a better machine.








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1971 Honda Motosport 350 SL-350 K1 Vintage Motorcycle Ad

1971 Honda Motosport 350 SL-350 K1 Vintage Motorcycle Ad available at www.DadsVintageAds.com

The best gets better. Stripped for action. That's the new Honda SL350 K1. Honda engineers have developed a revolutionary, tough, lightweight double-cradle frame. And they've put it on what was already the world's hottest dirt machine to trim off more than 60 lbs. The result - a dirt eating tiger that handles like a kitten. They improved on perfection in other ways too. The new Motosport 350 has light, durable aluminum fenders. A smaller, racier tank. Speedometer with tripmeter. A specially designed, lower seat for more body control. Primary kick starting to keep you going. And a new kill switch for safety. More? You asked for it., The dependable, powerful Honda four-stroke twin delivers just the kind of performance you want for the dirt. Torque's been boosted. And the torque curve flattened. This baby's ready to race. One test ride at your nearby Honda dealer will convince you - the Motosport 350's oss was your gain. Take that test ride soon. From mighty to mini, Honda has it all.








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1971 Don Sliger Bonneville Salt Flats Motorcycle Speed Record

1971 Don Sliger Weber Cams Small Ad available at www.DadsVintageAds.com

Don Sliger charges his Weber-cammed machine over Bonneville Salt Flats on way to 203.16 mph run, making him first open wheel bike runner to go over 200 mph!

Other small ads on page: Harvey Owen BSA Triupph Centre; Custom City Motorcycle; Comerford Ltd; Sammy Miller equipment from Cycle Trends









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This "Cycle" Flies! - 1971 Bensen Gyrocopter

1971 Bensen Gyrocopter ''Flying Cycle'' Homebuilt Aircraft Small Ad available at www.DadsVintageAds.com

Like cycling in the air! Holds 12 world records. Give yourself a real lift - in the famed single-place Bensen Copter. Most popular homebuilt aircraft in the world, acclaimed by pros and novices alike. Flown competitively at the international PRA Fly-in and regional meets. Adapt your cycling ability to this popular form of flying - lowest cost, most fun. Wheels interchange with floats and snow skis. Pilot ages range from teens on up...







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1975 Motorcycle Road Test: Suzuki RE5 Rotary - Specifications / Photos / Review

1975 Suzuki RE-5 Rotary Motorcycle Road Test 12-Page Photo Article available at www.DadsVintageAds.com

...make no mistake about it: the Wankel engine is an alien engine, and the Suzuki RE5 is an alien motorcycle because of it. Not only that, Suzuki has taken an engine form thought to be inherently simple, light and potent and delivered a motorcycle that is surpassingly complex, 30 pounds heavier than a Kawasaki 903 Z-1 and reserved in terms of absolute performance...







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Vintage Motorcycle Racing Article: 1974 Bol d'Or - The Day Long War

1975 Bol d'Or 24-Hr Bugatti Le Mans Motorcycle Race 7-Page Article available at www.DadsVintageAds.com

The Day Long War

Bol d'Or. It grinds on for 24 hours. Every minute of every hour punishes the production machines which lap the circuit Bugatti again and again. Daylight evaporates, leaving a chill damp twilight hanging over Le Mans. At last the Sept. darkness overwhelms the circuit and from a distance the French countryside cool and wet and black seems to soak up the race's noise and light with an absent-minded blankness.

Photo captions:

(Above) On left is the official Kawasaki GB entry; cdnter, a Honda 750; right, the Japauto 1000 which finished fifth.

(Right) The Clive Brown / Martin Sharp Laverda 1000 was housed in a Difazio center-hub-steering frame; the beast retired after losing its oil.

(Above) Egli-framed Kawasaki winner had perfect balance between speed and reliability.

(Above and right) Guili / Choukroun Kawasaki had the race under control until a frantic front tire change - followed by a thumping crash.

Early Sunday afternoon the Luc / Rigal BMW 890 led, but the engine began to falter; its slowdown put worried faces o BMW's Helmut Dahne (looking right) and Engineer Von der Marwitz (with sunglasses).







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1975 Harley Davidson SX-250 & SX-175 Vintage Advertisement

1975 Harley Davidson SX-250 SX-175 Motorcycle 2-Page Ad available at www.DadsVintageAds.com

Satisfying millions of motorcyclists is easy. Pleasing a demanding few is tough.

It doesn't take a huge number of machines to satisfy the select few who appreciate something special. But they do have to be special. And the exciting new limited edition Harley-Davidson SX-250's and SX-175's are exactly that....







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1975 Kawasaki 903 Z1-A Road Test Article Photos / Specifications

1975 Kawasaki 903 Z1-A Motorcycle Test 6-Page Photo Article available at www.DadsVintageAds.com

The king...is still the king. Long live the king!







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