Cover: High performance rider Rex Staten blows up a berm on the equally high-performance Suzuki RM465. If you want to know how to tune your carb, zoot your suspension, or take good care of your cylinder, we’ll show how the pros do it.
Contents: Rex’s Barrel – the history of high performance; High-Performance Buyer’s Guide; Go-Fast Formulations; Race-Prepping Honda’s CR250-R; Basic Cylinder Secrets; Friction-Reduction Secrets; Maximum Suspension Tuning; Gearing up for battle; Flow Benching the Yamaha YZ250-H; Boost Bottles or Bust Bottles – magic or myth?; Carb Tips and Tuning; Make your mini move; Clutch and gearbox failures and fixes; Bulletproof Wheel Building; High-Performance Directory; more
Cover: Marty Smith; Shootout Comparison Test: Honda CR125-M vs. Penton 125MC5; Test: Maico 440 AWR; Technical: The Pro Line ’76; Exorcising Horse(power) thieves; Competition: AMA Supercross Series, Eastern Edition; Six Days of Two Days; Hangtown, Sportsman’s Style; Features: Interview: Marty Smith & Marland Whaley; Understanding Speedway; more
Cover: Marty Smith at Saddleback Trans-AMA finale. He didn’t need a hang glider; Contents: Shootout: Hodaka Super Rat vs. Yamaha MX100-B; Impression: Three Rokon Automatics; Wrap-Ups: National Enduro – Burleson; International MX – Sweden and Belgium yield to Finland and Russia; Trans-AMA – Roger rebounds and Suzuki skunks ever’body; Competition: Barstow to Vegas; Features: Kite Bike – one Elsinore that literaly flies; More what it’s like: John and Kookie’s Ossa SDR; Technical: YamaFix – piping in more power for the 125MX and YZ; Where to go MXing in Michigan; more
Contents: Introduction; Things you should know before you start: Zen and choosing tools; Air and your ports; The Venturi Freeway; How to start your bike; The care and feeding of spark plugs; Hop-Ups and Fix-Its: Yamaha 125 hop-up – $21.95; Kawasaki KX swingarm fix-up; Horsepower for the ’74 Elsinore; Tuning the monoshock suspension; Evaluating Suzuki’s RM125 factory kit; Enduroing the Honda MR175; KX125 Factory Replica; KTM / Penton clutch crutching; Universal Hot Setups: Drain holes work both ways; The point is…; Your sidecase sucks; more
Cover: John DeSoto hangs it out for Husky lovers everywhere; Dirt Tests: Husky 450 Motocrosser; Yamaha DT250-A – son of DT1; Penton 250 Powerhouse; Yamaha 100MX – screaming yellow zonker; Competition: Aztalan, Wisconsin; Technical: How to make a killer 450 Husky; Gas Filter Shootout; the Steel Wombat – Alex Steel’s Krome Kolored Streamlined Baby; Trick Fork Kit for under ten bucks; Features: Inside peek at the six-days Jawas; Russ Darnell MX School; Dorky Dog and Rubber Ducky; Oh Danny Boy – Dirt Bikes’s token flattracker makes good; more
Cover: Andy Kirker, showing the form that has brought him to several overll desert wins. He doesn’t seem to know a downhill from level ground; he landed 60 feet down this hill.
Desert racers are a mystery. Even more so than any other motorcycle rider. The fastest among them cannot make a living at it. Yet all desert racers are, as are all athletes in every sport, called upon to take their sport seriously. They thinks and dream motorcycles, seven days a week, every hour of the day. Yet their dedication must be exactly and only that: Dedication. Even winning the biggest events only covers expenses for maybe a few races. And no one wins them all…
Contents: Winning Bikes: Monodesert 125 conversion – for novice or expert; Honda 350 and 410 – Baja 1000 winners, ’68 and ’75; Monoshock and Husky Takeover – all models are winning all the classes; Competition: Baja 1000 – what was once a bet is now a classic; Barstow to Vegas – R.I.P.; Personalities: Sierra Club’s most wanted list – twenty of the fastest; Technical: Harley 250 and Honda 410 – How to make your own Baja winner; Monoshock air cleaners – fuzzy things disposed of; Features: Desert Racing Defined – they don’t chase hares anymore; Know your Cacti – no dear, that’s a Joshua tree; Novice Advice – fear of falling; After the checkered; more
Cover: Tony DiStefano keeping ahead of the Saddleback bulldozer; Tests: Suzuki RM125-C – still the champion ankle biter?; Suzuki RM250-C2 – See the D too; Suzuki GS1000 – Bigger than a 501 Maico; Features: Tony DiStefano – is three enough for the D?; Touring Can-Am – north of the border; Honda RC125 – eyeballin’ the latest little red; How to Ride Series; Technical: How to tune your forks; more
Contents: How to spend money and maybe not get burned: Selecting a Dirt Bike; Good Values in used dirt bikes, and a few oinkers that you’ll probably want to avoid; Hot to buy protective gear; How to buy accessories and trickery; Tips on buying a used race bike; Horsetrading; Prevarication: The lying contest – there seems to be a slight discrepancy between the claimed weight and actual weight of some dirt bikes; 1973 Dirt Bikes – another year full of delightful diversions to take our minds off our dreary workaday lives and give us cuts and bruises and sore muscles and make our wives, mothers and girlfriends mad; A Gaggle of Accessories; Product Comparisons: The Great Two-Stroke Oil Shootout; Dyno Testing the Gas Additives; Which Gasoline is best?; Product Evaluations: CZ Carb Swap; Koba Shift Kit; Suzuki Flywheels; JT Hand Handler; more
Tests: Ultra-Trick DG IT175 – taking the Yamaha to the limits; Can-Am 250 MX6 – exclusive first test; Suzuki RM125T; Husky 390 Automatic; Technical: Know your Clutch; When you Break; Competition: World Speedway Action; Pioneertown; Features: Enduro Basics part 2; Minicycle Section: Honda XR80, Suzuki RM60, Yamaha YZ50; more