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TYGA GP-T NSR300

Is This What a Modern Honda NSR250R Would Look Like?

06/16/2015 @ 6:02 pm, by Jensen Beeler  (courtesy of 'Asphalt and Rubber' magazine)

The Honda NSR250R is a special machine. When the 249cc, two-stroke, 90° v-twin GP bike with lights first hit the streets of Japan, it cost roughly $7,500 in hard-earned American dollars — a tidy sum back then, especially for a 300 lbs machine that made 40hp stock.

A coveted item for motorcycle collectors and discerning track riders a like, you can pick one up for over $10,000, the limited-production road-going version wasn’t terribly different from the 250GP World Championship bikes that factory teams were racing. A topical reminder, if we do say so ourselves…

So how do you improve upon such a great machine? Ask the folks at TYGA Performance, who have been tinkering with NSR250R sport bikes since they opened in 2000.

All that effort and expertise has culminated in the ultimate NSR250R, an MC28, which will almost make you swear-off large-displacement four-strokes for the rest of your life.

 Celebrating 25 years of MC28 Rothmans SP bikes, the guys at TYGA wanted to imagine what a Honda NSR250R would be like if they were still available, made with more modern technology and parts.

A timely thought, as in 2015 we see the resurgence of small-displacement machines on the motorcycle landscape. The downside of that of course is that the 250cc/300cc machines have been budget-spec street bikes, which may be good for new motorcyclists, but are only a halfway-measure for long-time riders who are looking for small, but fast, track weapons.

“If there is a market for this type of bike is debatable, and I am not sure there is but in the car world, there are plenty of people who like smaller lighter cars such as the Lotus,” explained Paul Pearmain, CEO of TYGA Performance.

“It is good to see the re-emergence of the 250/300 class but frustrating that the only models offered are budget ones and the specification well below that which was offered in 1994. I guess you could say, we sort of wanted to embarrass the manufacturers such as Honda who pass off their modern lightweight bikes as sports bikes. They have their merits but they don’t compare to the best of the bunch 20 years ago!”

For the spec-sheet racers, the TYGA-spec NSR250R makes a screaming 75hp (almost double the stock figure), thanks to a 300cc big-bore kit, with some additional porting. Additionally, all the weight-saving pieces have brought the ready-to-go with fuel wet weight to a tune of 115kg (253 lbs).

That’s an impressive power-to-weight ratio, for any size bike, though we think it’s the overall tastiness of the TYGA package that will entice enthusiasts to the performance house’s doorstep. Enjoy the photos and specs below, we certainly did.

Technical Specifications of the 1994 Honda NSR250R MC28 by TYGA Performance:

NSR250 engine modified to 300 CC with TYGA Performance big bore kit with additional porting
Wiseco Pistons
VHM heads
Dry clutch with upgraded springs and plates
Blanked off two stroke injector, pre-mix 30/1
Lightened flywheel
 
Transmission
HRC close ratio gearbox
RK Chain
TYGA Performance rear sprocket
 
Exhaust
Tyga Performance stainless steel with carbon/Kevlar silencers
Exhaust manifolds specially machined to match exhaust ports
 
Ignition
HRC key card 030 race unleaded type
HRC RS250 NF5 spark plugs and caps
 
Carburetion
HRC factory NSR250 Keihin 38 mm test carburetors
HRC RS250 NF5 inlet manifolds with Aktive carbon reeds
HRC RS250 quick action throttle
TYGA Performance custom carbon air-box
 
Cooling
HRC NSR250 F3 triple core radiator
HRC NSR250 F3 water pump cover
 
Frame
Frame is stock
TYGA Performance lightweight sub-frame
HRC Swing arm
HRC style rear hub by NSR-World
Tyga Performance rear sets
Yamaha TZR250 3MA handlebars
TYGA Performance lightweight upper stay and meter stay
Ohlins Steering damper
 
Suspension
Front end:
CBR600RR forks re-sprung  and held in bespoke TYGA Triples
 
Rear End:
Ohlins NSR250 rear shock S46HR1C1L
 
Brakes
Front:
Brembo M4 cast monoblock
CBR1000RR radial type master cylinder
Honda RC45 discs
HEL brake lines
 
Rear:
Brembo P2 cast caliper with TYGA Performance mounting bracket
HEL brake line (hidden in swing arm)
 
Wheels
Front: Honda HRC RS250 Magnesium (17 X3.5)
Rear: Marchesini  (17 X 5.5)
 
Tires
Front: Pirelli Diablo Super Corsa 120/70 ZR17
Rear: Pirelli Diablo Super Corsa  160/60/ZR17
 
Bodywork
TYGA Performance made from lightweight carbon/Kevlar
TYGA Performance custom LED lighting front and rear
 
Other
Lithium battery
TYGA Performance carbon clutch cover
TYGA Performance carbon generator cover
TYGA Performance swing arm cover
TYGA Performance CNC fuel filler cap
TYGA Performance  CNC top triple nut
TYGA Performance pre-load adjusters
TYGA Performance lightweight axle spacers
HRC Rear Brake reservoir
HRC radiator overflow bottle
TYGA Performance carbon fairing mounts with GP quick release fasteners

Comparison between stock MC28 and TYGA MC28

 

Show: 

Big Bore Kit, NSR300, Wiseco, VHM *

Big Bore Kit, NSR300, Wiseco, VHM *

This 300cc Big Bore Kit is identical to the TPER-0007 300cc Big Bore Kit, but the standard 300cc heads and…

Model
TPER-1007
Quantity
6
Set, Exhaust Chamber, Side By Side Type, Stainless Steel, NSR250 MC28

Set, Exhaust Chamber, Side By Side Type, Stainless Steel, NSR250 MC28

Constructed in stainless steel, TYGA Performance  combine modern technology and traditional techniques to bring you the best in…

Model
EXCS-0005B
Quantity
13
Silencer, Carbon/Kevlar, Two Stroke, Assy.

Silencer, Carbon/Kevlar, Two Stroke, Assy.

This high quality lightweight silencer ( 0.47kg) is made from CNC machined end caps joined by a carbon/Kevlar fiber…

Model
EXSL-0004
Quantity
33
Kit, Fairing Set, Carbon, (Street), MC21, MC28 GP-T

Kit, Fairing Set, Carbon, (Street), MC21, MC28 GP-T

Kit, Fairing Set, Carbon, (Street), MC21, MC28 GP-T This modern fairing, designed in-house by TYGA Performance,…

Model
BPFS-0138
Quantity
3
Kit, Seat Set, Carbon (Street), MC28 GP-T

Kit, Seat Set, Carbon (Street), MC28 GP-T

Kit, Seat Set, Carbon (Street), MC28 GP-T This set of bodywork is designed to replace the stock…

Model
BPFS-0135
Quantity
2
Clutch Cover (Carbon) NSR250 SE/SP, Assy.

Clutch Cover (Carbon) NSR250 SE/SP, Assy.

Carbon cover to replace the nasty green plastic stock one on the NSR engines with dry clutch.  …

Model
BPCC-9006
Quantity
3
Carbon Meter Cover MC28

Carbon Meter Cover MC28

Attractive carbon cover for MC28 meter assembly. For fitment, simply remove the three retaining bolts, stick on the cover and replace…

Model
BPCC-0001
Quantity
67
Generator/Sprocket Cover (Carbon) NSR250 SE/SP, Assy.

Generator/Sprocket Cover (Carbon) NSR250 SE/SP, Assy.

Generator/Front Sprocket Cover NSR250 This lightweight carbon component will make your engine look like it belongs in the GP paddock!Complete with…

Model
BPCC-9106
Quantity
9
Front Fender (Carbon), 2007-12 CBR600RR

Front Fender (Carbon), 2007-12 CBR600RR

Carbon direct replacement for OEM Honda item. Pre drilled for easy fitting. Please note TYGA logos are applied over the clearcoat…

Model
BPCF-7206
Quantity
2
Heel Guard, Right Only, (Carbon)

Heel Guard, Right Only, (Carbon)

Right side carbon fibre heel guard. It can be fitted to many other models, being suitable for most models which…

Model
BPCC-9010R
Quantity
45
Swing Arm Cover, MC28

Swing Arm Cover, MC28

This lightweight carbon cover fits over the stock swing arm on the MC28 NSR250. It is designed to protect against…

Model
BPCC-9013
Quantity
6
HRC Rear Brake Reservoir Kit

HRC Rear Brake Reservoir Kit

Comprising of HRC GP bike parts, hose 43503-NF4-000, bung 17370-419-700, clamp 43541-ND5-750, clip 95002-02120 as well as a mounting clip…

Model
BPAC-0001
Quantity
12
Meter Stay, MC28, Assy.

Meter Stay, MC28, Assy.

Direct replacement for stock item, 50% of the weight Compatible Parts: All MC28 upper fairings…

Model
TYLY-0005
Quantity
3
Mini brake reservoir carbon

Mini brake reservoir carbon

This mini brake reservoir is the perfect final touch for a race or show bike. This Tyga Performance reservoir, unlike…

Model
BPAC-0005
Quantity
16
TYGA Radiator Overflow Bottle Kit, Assy.

TYGA Radiator Overflow Bottle Kit, Assy.

Comprising clear pp plastic bottle, overflow tube and cable ties, this useful lightweight product is ideal for race bikes…

Model
BPAC-1002
Quantity
100+
Racing Step Kit, MC28

Racing Step Kit, MC28

TYGA Performance Racing Step Kit assembly. Designed in-house by TYGA Performance using AutoCAD software, these CNC machine- made step…

Model
STAA-0002B
Quantity
11
Triple Clamp Set, CNC Black, CBR600RR Forks to fit MC28

Triple Clamp Set, CNC Black, CBR600RR Forks to fit MC28

Triple Clamp Set, CNC Black, CBR600RR Forks to fit MC28 CNC machined TYGA lower triple clamp for the MC28…

Model
TYLY-1941
Quantity
3
Bracket, Rear Brake, 84 mm Brembo Conversion, Silver, MC28/NC35

Bracket, Rear Brake, 84 mm Brembo Conversion, Silver, MC28/NC35

Bracket, Rear Brake, 84mm Brembo Conversion, Silver, MC28 and NC35.  Consists of main caliper bracket and spacer for the rear…

Model
TYLY-0089
Quantity
5
Tank Filler Cap, Keyless, Racing Type, Honda

Tank Filler Cap, Keyless, Racing Type, Honda

Tank Filler Cap, Keyless, Racing Type, Honda This keyless racing fuel tank filler cap is CNC machined from billet…

Model
TYLY-0110
Quantity
33
Top Triple Clamp Nut (M24x1), TYGA

Top Triple Clamp Nut (M24x1), TYGA

Top clamp nut machined from 7075 T6 aluminium. Light weight and good looking. Clear anodised for a long lasting finish. This…

Model
TYLY-0127
Quantity
100+
Wheel, Front. Aluminium Spacer kit

Wheel, Front. Aluminium Spacer kit

Replace the heavy steel front wheel spacers and wheel bearing distance spacer with these lightweight 6061-T6 aluminium spacers. At 35%…

Model
TPER-0024
Quantity
8
2T Blank Plug

2T Blank Plug

Replaces the 2T oil injector pump for pre mix use. Secure with liquid gasket such as…

Model
TYLY-0012
Quantity
41
Sprocket, Rear 43T, Aluminium, (Gold), MC28

Sprocket, Rear 43T, Aluminium, (Gold), MC28

Upgrade your bike with TYGA Sprockets.

Designed and machined in house from super strong 7075 T6 aluminium,…

Model
TYSR-0101-43T
Quantity
5
Hi Flo reeds, MC21/MC28, Assy.

Hi Flo reeds, MC21/MC28, Assy.

Kit includes: * HRC style stuffer for improved intake mixture flow. * Reed stopper lifter plates to increase intake…

Model
TPER-0001
Quantity
11
Main Jet. Order from Left menu >By Product> Main Jet

Main Jet. Order from Left menu >By Product> Main Jet

Please see our comprehensive list of main jet sizes listed under 'by product' in our left hand menu…

Model
Many
Quantity
100+
Woodruff Key, Offset, 3 Degrees, NSR250

Woodruff Key, Offset, 3 Degrees, NSR250

3 Degrees offset woodruff key for NSR250. Allows simple advance/retard of stock ignition timing. *Important* Modifying ignition timing from standard setting may…

Model
TPER-3044
Quantity
41
Rear Shock, Ohlins, NSR250

Rear Shock, Ohlins, NSR250

Developed and tested with TYGA Performance, this Ohlins rear shock is a must for any rider who is serious about…

Model
HO110013
Quantity
22
Genuine HRC sticker

Genuine HRC sticker

This product is a genuine OEM Honda HRC sticker. Very high quality. Excellent inks and printing with strong adhesive so…

Model
STIC-0004
Quantity
36
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