Yamaha OX99-11

Yamaha OX99-11 V12
Overview
ManufacturerYamaha Motor Company
Production1992 (3 prototypes)
DesignerTakuya Yura
Body and chassis
ClassSports car (S)
Body style1-door coupe
LayoutRMR layout
DoorsCanopy doors
Powertrain
Engine3.5L OX99 70° V12
400 hp (300 kW) @ 10,000 rpm
Transmission6-speed manual
Dimensions
Wheelbase2,650 mm (104.3 in)
Length4,400 mm (173.2 in)
Width2,000 mm (78.7 in)
Height1,220 mm (48.0 in)
Curb weight1,150 kg (2,540 lb)

The Yamaha OX99-11 was a sports car project designed by Yamaha's subsidiary Ypsilon Technology and International Automotive Design (IAD) that was supposed to enter production in 1994.

Background

The OX99-11 project was a collaboration between Yamaha and International Automotive Design (IAD), but budget disagreements between the two parties led the project to be handed to Yamaha's subsidiary, Ypsilon Technology. It was aimed to bring Formula One technology to the road.

Design and technical

The OX99-11 was built on a carbon fiber monocoque chassis with hand-beaten aluminium panels for the bodywork, including the central driver's and a passenger seat positioned behind.

The OX99-11 was powered by a 3.5L V12 engine derived from Yamaha's Formula One engine detuned to 400 hp (300 kW) @ 10,000 rpm, longitudinally mounted with a 6-speed manual transmission.

Cancellation and demise

The global economic recession of the early 1990s led to significant challenges to the project. High costs ($800,000 to $1,000,000 per unit) a six month build time resulted in delays and financial struggles, and finally the cancellation of the project.

One of the known prototypes was located at Iwata, Shizouka at Yamaha Motor Company's Communication Plaza while the other two are in private hands.