Kawasaki KR-1/KR-1S

Contents

Model history [ edit ]

In 1988, Kawasaki produced a road racing replica motorcycle. The initial models were the B1, B2 series of the KR-1. In 1989, due to the sales success and updated models of competing manufacturers (RGV, NSR, TZR) the KR-1 (B series) evolved into the KR-1S and KR-1R (C, D series). The C1, C2, C3 and D1, D2 models shared the same engine (minor updates) and bodywork (different colour schemes) of the previous KR-1.

The S and R models differed slightly in construction of frame, wheels, brakes, and colour schemes.

The engine for all KR-1 models was a two-cylinder, reed valve induction two-stroke motor of 249cc (somewhat based on the previous Yamaha TZ/TZR configurations). The 180° firing parallel twin configuration featured a crank driven balance shaft. The power delivery was broadened with the use of the Kawasaki Integrated Powervalve System (K.I.P.S.) arrangement shared by other Kawasaki two-strokes.

Total production of all models in KR-1 (B/C/D) series was less than 10,000 units worldwide. The low production numbers has increased collectibility. Worldwide markets for sales were Japan, United Kingdom, Europe, Australia, New Zealand, South Africa (excluded USA due to emissions restrictions).

Considered to be least successful of the four Japanese 250cc Race Replicas (in terms of sales), the KR-1 series was notable for excellent handling, due to its light weight and steering geometry and least difficult to modify and increase the power output of the engine. Proven to be fastest of all 250cc models (Suzuki RGV250. Yamaha TZR250.

Honda NSR250R. Aprilia RS250 ) with a top speed of 139mph (225km/h) – tested by Performance Bikes Magazine and subsequently at Bonneville Speedway (World’s Fastest Production 250cc)

Special models [ edit ]

The KR-1R (D1,D2 models) were sold only for the Japanese market for 599,000yen (559,000yen for S model)

The ‘R’ was to compete against the more racetrack oriented SP models of the RGV,NSR(SE/SP),TZR

The ‘R’ featured larger carburetors (35mm) and a close ratio gearbox. and only came in Ebony/Green(Black/Green) colour scheme.

In New Zealand, specifically for production racing, the Sports Production (SP/C3A) variant of the S model was produced. In very limited numbers, (less than 12 units) the SP was the based on a ‘S’ model and fitted with the 35mm carburetors from the R model, and modified cylinder porting and compression ratio .

Parts availability [ edit ]

The other spare parts kit F3, SP kits (mixed gas specification) has a maximum output 68Ps (nominal) reach. Front caliper compatible parts ZXR250 those available, and the pot will be 750 different diameter and Zephyr ZRX, Barrios, GPZ also be diverted. Riakyaripa The ZXR250 and the same.

Sprocket also KLE250, KLE400, ZXR250, Barrios and even numbers are different but still allow it to use. Wheel disc brake parts are compatible ZXR250 (with model year) will be common. The front discs are also different colors Kawasaki Zephyr, Zxr400 many other compatible products.

Standard Colour Choice [ edit ]

Specifications [ edit ]

KR-1 specifications [ edit ]

Transmission: 6-speed

Transmission Oil: SE grade 10W30/10W40 850ml

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