1980 November Custom Rider Motorcycle Magazine

Description: Yes we combine shipping for multiple purchases.Add multiple items to your cart and the combined shipping total will automatically be calculated. 1980 November Custom Rider Motorcycle Magazine - Speed: Harley-Davidson 74 CUSTOM REPORTSYamaha XJ650G Maxim-IA mini-XSU with maximum power and styling 18Honda CB900C CustomA triple-threat machine that coordinates performance, distance and styling 24STYLINGThe Midnight SpecialA behind-the-scenes look at making the Special special 34SPEEDHarley-Davidson 74More oomph for America’s own 38HANDLINGDual-Purpose Roadsterization, Part IGiving a single purpose to a dual-purpose bike 30BUYER S GUIDEHeadlightsIlluminating facts about all the lamp camps 44THE CUSTOM FILESGood As GoldA one-of-a kind show bike/go bike 54The Mystery ShipVetter’s work of art in living color 58Cafe HarleyTwo continents worth of style 65DEPARTMENTSFeature Index 4Custom Q & A 7MotoMart 8The Law 62Custom Profiles 70Tricks 72 VENERABLE IS THE WORD generally applied to the Harley 74-inchmotor—quite frequently as criticism for those who are obsessed withmore recent designs such as dual overhead cams and multiple valves.Harley fans, though, are valid in responding that there is no point in messingwith success. Not only can they point out the fact that the 74 overhead-valveengine has seen far more exotic designs come and go since its own introduction in1937, but the point also can be argued that engineering perfection may not needimprovement. Examples such as the Continental aircraft four-banger, the .45 ColtAutomatic or Remington’s manual typewriter are surviving quite nicely.The only problem is that in this age of hyperbikes the stock 74 can’t be countedon for regular trips to the quarter-mile winner’s circle. This doesn’t mean there isno more power in the Harley, as H-D proved itself by reviving the 80-cu.-in. enginelast year, in OHC configuration. Any Harley engine can be increased significantlyin horsepower without impairing reliability because Harley deliberately over-engineers for reliability.EXHAUSTTHERE ARE AT LEAST as many styles of exhaust pipes for the 74 as therearc bikes on the road. As a simple rule of thumb, those systems that arc large-diameter, low-radius in their curves and simple in design prove most effective.The Harley 62A Staggered Dual system, available from most dealers, is a goodexample. These also arc available from many aftermarket distributors, alongwith another popular style, the short drag pipes.Any system should be coupled with low-noise add-on mufflers, since the inter-nal baffle system, while slim-line in looks, adds little to performance.LIFTERSHARLEY USES HYDRAULIC valve lifters which are constantly in need ofadjustment and arc slightly power-robbing. You should replace these withaftermarket solid lifters, which are practically adjust-and-forget items. Ofcourse, there will be a slight increase in valve-train noise.At the same time, the stock pushrods should be replaced with alloy pushrods,particularly if an aftermarket camshaft is planned.CARBURETIONGENERALLY, one of the first changes made to a Harley is the carburetor.Today, this may or may not be necessary. Early-model Harleys, those usingthe Linkert carb, can continue to use this stock unit until the engine receives moredisplacement. But machines using the Tillotsen carb should have it replacedimmediately, if for no other reason than to make the bike easier to start, better atfuel consumption and more reliable in general.Late-model H-Ds using either the Bcndix carb or the newer Keihin will onlyneed a carb change when massive amounts of cubic inches are added; these stockcarbs do an excellent job of fuel mixing.While there are nearly as many aftermarket carbs available for the Harley asthere arc exhaust pipes, certain brands have proven their popularity:The SU. Originally a junkyard modification, specialists have turned the SU intoa highly-tuned, specially set-up unit for the 74.Mikuni. This carburetor, often used by Harley racers, seems equally suited forreliability and mileage, as well as for increased midrange response.Weber (Mikuni-Weber, Solex). Even though this carburetor works superbly... And much more! 12530

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Location: Kingsport, Tennessee

End Time: 2024-12-18T13:43:16.000Z

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