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/126792
11Mt KX80 he. e new eluminum swingenn. exheust pipe. eir box cover. I'lIdietor shroud. end guerd. 11Mt diagl'llms (below) show the Kewe..ki Integreted Power-wive System (KIPS)etwork et high (left) end low (right) rpm. 11Mt ~ding shows exheust flow. GNrratiol Primary Final 6th 4th 3rd 2nd 11t 2.638 3.285 0.791 0.964 1.181 1.464 :.2.000 Fram•.... Tubular mi doubl. credle Rak•....................... 28" Trail 4.7 inc'Front aulpenaion type .•... TeI.ICOpic fork Fork tube diameter 43mm Front wheel travel .. 11.8 inc'R••r IUlpenaion type . . .. Singl. shock lwing.rm RNr wheel tr.vel 12.6 inches Front br.k 8.7-in. disc R••r brak 4.3 x 1.2-in. drum Front wheel 21 inch RNr wheel 18 inch Front tire 90/90-21 4PR BS Dunlop M37 R••r tire ... 140/80-18 4PR BS Dunlop M380 Dry w.ight 220.51b1 Wheelb 58.3 inches Fuel capacity 2.6 gals Ground c1earanca .. 14.8 inc'Seat height 37.8 inc'Colon Um. green KX250 Engln. type Uquld-cooled. two-stroke aingl. Bora x stroke 70.Ox64.9mm Diaplecement 249cc Compraaaion r.tio 9.1:1 Carburetion •...•• VM40 Mlkuni GNrratlos Primary 2.760 Fin.1 ...•...•...........3.600 6th 1.000 4th 1.136 3rd 1.388 2nd.: 1.764 1st 2.133 Fr.m•.... Tubul.r ml-doubl. cr.dle Rak•....................... 28" Tr.i1 4.7 inch.s Front suapenaion type ..... T.I.scopic fork Fork tube diam.ter 43mm Front wheel trav.1 .. 11.8 inch.. R••r auspension type ..... aingl. shock swing.rm (Above) The KX60 will be the only 60cc motocrosser eveileble from Jepen. It now h.. weter-cooling. end the ow1'lI11 weight is reduced by three pounds. (Below) A cut-ewey view of the KX125 engine. Rear wheel travel Front brak R.ar brak 12.6 inch.. 8.7-in. disc 4.3 x 1.2-in. drum Front wheel 21 inch R••r wheel. . . .. • .. . . 18 inch Front tlr•.... 90/90-21 4PR BS DunlopM37 Rear tire ......... 130/80 4 BS . Dunlop M37 Dry _ight 212.81b1 Wheelbase 67.7Inc'Fuel capacity .. .. .. .. . 2.1 g.ls Ground clearanca .. 14.8 inc'seat height 37.8 inches Colon Um. green KX125 KX80 KX60 Engin. type .....• Uquid-cooled. two-stroke aingle Bora x strok•.... 66.Ox60.6mm Displacem.nt 124cc Compression ratio 9.35:1 carburetion .•... : VM34 Mikuni G••r ratios Prim.ry 3.600 Fin.1 3.916 6th 0.954 6th 1.041 4th 1.181 3rd 1.400 2nd 1.750 1st 2.307 Fram•.... Tubular. aingle cr.dl. R.k 27.5" Trail 4.6 inch.s Front sUlpension type ..... T.I.scopic fork Fork tube dlamet.r 43mm Front wheel travel .. 11.8 inch.. R.ar auspenalon type ..... single shock swingarm Rear wheel travel 12.6 Inch.. Front brak 8.7-ln. disc R.ar brak 4.3 x 1.2-ln. drum Front wheel 21 inch R••r wheel. . . . . . .. . .. .. 18 inch Front tira 90/90-21 54m Dunlop K890 R••rtira 120/8-18 62m Dunlop K890 Dry w.ight . . . . . . . . . . 190.7 Ibl Wheelbase 67.1 inch.s Fu.1 cap.city . . . . . . . .. 2.0 gals Ground c1••r.nc•.. 16.4 inch.s S••t h.lght 37.8 inch.s Colon. ' Um. green Engine type Engine type ••..• Uquld-cooled. two-stroke single Bore x strok•.... 43.0x41.6mm Displac.m.nt ..........• 60Cc Compr."on retio •...•.. 8.4:1 Primary ••.•....••...... 3.600 Fin.1 .....•..•..•..•.•. 3.384 6th ..•............... 1.083 5th 1.217 4th ..•.•...•.•....... 1.428 3rd 1.722 2nd .•............... 2.125 1st 2.846 Fram•.... Tubular doubl. cr.dl. Brak•................... 28° Trail .....•............. 2.6 in. Front suspension type. T.I.scopic fork Front wheel trav.I 7.9 in. R.ar suspenaion type .•.. Singl. shock swing.rm Rear wheel travel ..•..•• 7.9 in. Front brak.. .. 90x20mm drum R.ar brak.. ... 90x20mm drum Front wheel . .. . . . . . . . .. 14-in. R••r wheel. ......•..... 12-in. Front tire ......•. 2.60-14 4PR Dunlop K490 Re.r tire .•.. , .... 3.00-12 4PR Dunlop K490 Dry w.ight 111.4 Ibl. Wheelb 42.6 in. 0.9 g.1. Fu.1 capacity Ground cle.ranc•....... 9.8 in. Seat h.ight 27.9 in. Colors Um. green Uquld-cooled. two-stroke singl. Bore x strok•.... 48.0x46.8mm Displec.m.nt 82cc Compr."n ratio 8.4:1 Carburetion .....•VM29 Mikuni G.ar ratios Primary 3.083 Final 3.671 6th 1.083 6th 1.217 4th 1.428 4rd 1.722 2nd 2.126 1st 2.846 Fram•.... Tubul.r. singl. cradl. R.k 28" Trail 3.6 inch.s Front suspension type ..•.. T.I.scopic fork Fork tube di.meter •..... 33mm Front wheel travel 10 inch.s Rear suspenaion type aingle shock swingarm R.ar wheel tr.vel 10.2 inch.s Front brak 6.7-in. disc R••r br.k.s 3.5 x 0.78-in. drum Front wheel 17 inch Rear wh••1. . . . . . . . . 14 inch Front tir 80/90-17 44m Dunlop K790 Reartire ...... 110/90-1466m Dunlop K790 Dry wejght 133 Iba Wheelbas•......... 48.8 inch.s Fuel capacity 1.2 gals Ground cl.ar.nc. .. 12.2 inch.s S.at height 32.3 inch.s Colors Um. green . . 15