  Credit cards accepted for UK sales only. |
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Credit cards accepted for UK sales only. |
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LynxAE, Rose Lane Industrial Estate |
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Established
1986
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email : lynx.racing@tinyworld.co.uk |
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Mini R1 - Classic Mini bike engine conversion kit FWD |
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R1
Engine specs
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Yamaha
YZF-R1 engine specification
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Our
kit is designed to be used with the Yamaha YZF-R1 engine from 1998 to
2003. There are many
variants of the Yamaha YZF R1 engine, the first of which arrived in
1998. However the later more powerful engines such as the 2004
(5VY) and 2007 (4C8) are different designs of engine and are not suitable
for our conversion kit, see below for further details,
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Cylinders:
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in line 4 | |
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Displacement:
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998cc | ||
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Compression
ratio:
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11.8:1 | ||
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Valve
train:
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20 Valves DOHC | ||
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Bore
& stroke:
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74 × 58 mm (2.9 × 2.3 in) | ||
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Gearbox:
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6-speed w/multi-plate clutch | ||
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Fuel
system:
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Carburetor or Fuel injection depending on year | ||
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Ignition
system:
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TCI | ||
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Approx
BHP:
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145 to 164 (depending on year) | ||
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YamahaR1
Year |
ID
Code
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Key features / changes | |
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1998
- 1999
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4XV
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4x 40mm Mikuni carburetors | |
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2000
- 2001
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5JJ
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Slight
increase in power Modified carburetors. Change to camshaft lubrication. Revised lighter gearbox with change to ratios giving a taller 1st gear. |
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2002
- 2003
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5PW
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Fuel
injection Slight power increase and higher revving |
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| Where
can I get an engine? We recommend Yorkshire engines or extreme engines. However ebay is also good. |
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 No body modifications required. The car above has standard front and inner wings still installed. |
The later more powerful engines which are not compatible with our kit are as follows, | ||
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2004
- 2006
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5VY
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All
new larger engine Increased compression ratio Bore & Stroke change Power increase |
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2007
- 2008
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4C8
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All
new engine Change from 20 valves to 16 valves Power increase to 180+ bhp 6-speed w/multi-plate slipper clutch Fuel Injection with YCC-T and YCC-I (Yamaha Chip Control Intake) which controls the throttle body trumpets causing them to squeeze up when revs rise above 10,400rpm |
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2009
- 2010
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Increased
compression ratio Bore & stroke change Titanium valves Crossplane crankshaft Power increase |
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