Cycle News is a weekly magazine that covers all aspects of motorcycling including Supercross, Motocross and MotoGP as well as new motorcycles
Issue link: https://magazine.cyclenews.com/i/142449
Impression: Yamaha XS400RJ Tinseltown twin By Mark Kariya , Photos by Karel Kramer The Yamaha Seca series has become fairly synonymous with sporty styling, strong and willing engines ' and features that help set them apart from The Crowd. For '82, there is a new member in the Seca family , a ii ttIe b '1 rother Iif you WI 1 th e XS400RJ , or Seca 400. It appears every hi t The finish is well done, though th e red paint on our test bike blistered around the gas cap. A pressed backbone diamond frame design means there are no front do wnas racy -loo king as th e Seca 750, since tubes, so the twin cylinder dual overit seems to share identical flow ing head cam 399cc engine is used as a stressed member. The only obj ects in lin es. Whi le th e larg er 550 and 750 fro nt of th e engine, beside th e front Secas are ai med p rimarily toward more experien ced enthusiasts, the whee l and for k assembly, are a pair of smallest Seca will pro vide more fu n chromed exhaust pipes that bend for those who are newer to the game, gracefully down, underneath th e There is no shortage on looks with engine, th en take a slight kick up, th e 400. The configuration of the term ina ting on both sid es of th e rear tan k and the way it visu all y swoops wheel. do wn toward th e side panels and Bo th wheels , by the way . are the ends with a nicely done tail piece same geometric, cast design found on bears a strong resem blance to the 750, the Vision, bu t the Seca 400 uses a Those pieces, and the front fender, chain drive a t the rear. OEM tir es are . . . • ,co me. in .ei ther ,rt?~. ,lJhl r .or, srlver, • . . , either Bridgesrones orDun lop s: ours, -. 30 Specifications Engine Type . . . Parallel two-cylinder, forward inclined, DOHC four-stroke. Bore x stroke .' 69.0 x 35.4mm Displacement 399cc. Compression ratio 9.7:1. Starting system Electric starter. Lubrication system/capacity Wet sump/3.1 U.S. qt. Air filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Dry type element. Carburetion ~ Two 8S34 Mikuni. Clutch Wet, multiple disc. Transmission : Constant mesh, six-speed. Secondary reduction ratio :38/16 (2.375). Frame Type ::': Rake/trail Front suspension/travel Rear suspension/travel Front tire Reartire Front brake Rear brake ' Pressed backbone. 26°30'/3. 74 in. Telescopic fork, coil spring, oil damper/5.6 in. Swingarm, Monocross suspension, gas, coil spring, oil damper/3.8 in. Tubeless Dunlop F11 3.00S18-4PR. Tubeless Dunlop K127 4.10S18-4PR. Single disc brake. Drum brake. Dimensions Overall length Overall width Overall height Seat height Wheelbase M inimum ground clearance Fuel tank capa city Reserve amount . ~ Claimed wet weight Suggested ret ail price : : ; 80.5 in. 28.7 in. 43.7 in . 30.7 in. 54.3 in. 5 .7 in. 5.3 U.S. gal. 1.3 U.S . gal. 410 Ibs. $1999 .