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Honda Fortuna GP250 Replica

August 2003

To complement our range of bodywork for the NSR250, TYGA have launched a new upper cowling modeled closely on the NSR250 GP race bike of Roberto Rolfo. To show this, we decided to build a road going Rolfo Replica based on the MC21.

The donor bike was a complete MC21 SP which was quickly dismantled and rebuilt to a very different spec. The motor is pretty much stock at the moment because the emphasis was on appearance. Being a street bike, the bike runs with original autolube and ignition system. The airbox was modified and the carbs jetted to suit.

Motor uses special high flow F3 waterpump cover and hose linked to triple core F3 radiator.

The chassis has been heavily modified too. The most obvious change is the Honda RS250 front forks and triple clamps which are fitted with a custom lightweight aluminum TYGA steering stem. The brake calipers are also RS250 Nissins with quick release pins squeezing on 296mm rotors. The master cylinder is 5/8" for extra power compared with the stock 14mm version and the system connected with braided brake lines.

The ignition lock has been moved down to the side frame rail where the helmet lock once lived and, apart from the lack of a steering security lock, is a lot more tidier for it.

Rear suspension was kept stock with SP three way adjustable remote gas rear shock . Rear brake is stock too except for the brake reservoir which has been replaced by a lightweight HRC tube.

The CNC machined Step Kit is by TYGA as are the meter stay, GP upper fairing stay and paddock stand bobbins which are all made out of lightweight aluminum.

The stock subframe assembly has been replaced by a TYGA subframe and associated battery box in order to facilitate the fitment of the TYGA GP Race Tail

Of course, the bike was fitted with TYGA Exhaust System. These are the stainless steel side-by-side version with TYGA aluminium silencers. It also runs a color spirit chain supplied by TYGA

After all this was done, it was time to clothe the bike. The seat cowl is the TYGA GP Race Tail fitted with the LED tail light assembly. Remember this is a street bike!

 Fairing is the new GP250 upper mated to the TYGA GP Lower Cowling and an optional headlight fitted in the ram air duct. The screen is unique to this bike. Well nearly... the mold was taken directly from a screen from Emelio Alzamora's 2001 NSR250 GP bike which he kindly donated to the cause, so the screen is compatible with anyone out there with a GP250 NSR!

The front fender is RS 250, so we take no credit for that, but we can supply you with a GP front fender if you like the GP look but have a stock front end to your bike.

Compare the bikes of Roberto Rolfo,(the other #4 without lights!) and Emelio Alzamora #7 with TYGA's replica.That's what you call a real race replica!

 So how about the riding impressions? Well, the first thing you notice is the higher seat and pegs for a more natural racing position. The bars are pretty radical too, but comfortable enough on the move. The steering lock is limited by those huge forks, but this is more than compensated for by better suspension and stronger braking. The biggest thing though, that lets you know that you are not riding an ordinary NSR, or bike for that matter, are the stares you get when your riding and the attention the TYGA Rolfo Replica receives when parked up. Like I say, not for those who like to run with the herd.

Picture shows highly trained professional wearing full safety equipment for test purposes!

Parts used below

 

Set, Exhaust Chamber, Side By Side Type, Stainless Steel, NSR250 MC21

Set, Exhaust Chamber, Side By Side Type, Stainless Steel, NSR250 MC21

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

Model
EXCS-0005A
Quantity
2
Silencer, Aluminium, Two Stroke, (Special), Assy.

Silencer, Aluminium, Two Stroke, (Special), Assy.

This aluminium two stroke silencer offers the same excellent value for money that our silencers always have but now…

Model
EXSL-9005
Quantity
100+
Kit, Fairing Set, (street), NSR250 GP250

Kit, Fairing Set, (street), NSR250 GP250

This set of bodywork comprises of the parts shown below which are…

Model
BPFS-0043
Quantity
2
Kit, Seat Set (Street), MC21 GP Race

Kit, Seat Set (Street), MC21 GP Race

This set of bodywork is designed to replace the stock seat cowling with the street version…

Model
BPFS-0003
Quantity
3
Racing Step Kit, MC21

Racing Step Kit, MC21

TYGA Performance racing step kit assembly. Designed in-house by TYGA Performance using AutoCAD software, these CNC machine- made step…

Model
STAA-0002A
Quantity
10
Lower Cowling (GRP), NSR250 GP, Assy.

Lower Cowling (GRP), NSR250 GP, Assy.

Modelled from NSR500V lowers and converted to fit a street NSR250 with either stock or Tyga exhaust system. …

Model
BPFL-0002
Quantity
4
Upper Cowling (Street GRP), NSR250 GP250 , Assy.

Upper Cowling (Street GRP), NSR250 GP250 , Assy.

A GP250 style upper cowling, styled so closely on the original that the factory GP screen fits! This fairing…

Model
BPFU-0005
Quantity
2
Upper Stay, MC18/MC21/MC28, GP Type, Assy.

Upper Stay, MC18/MC21/MC28, GP Type, Assy.

Lightweight GP style upper stay to use on the GP style fairing Compatible Parts Upper cowlings, BPFU-0004, BPFU-0005, BPFU-0015 and…

Model
TYLY-0001
Quantity
10
Rear Stand Bobbins, Silver,Assy.

Rear Stand Bobbins, Silver,Assy.

M8 Rear stand bobbins, Silver, Assy. Supplied with mounting bolts, these bobbins fit directly to the lugs provided swing arms with…

Model
TYLY-0009
Quantity
56
Screen Clear, GP250, Kit.

Screen Clear, GP250, Kit.

Screen Clear, GP250, Kit.…

Model
SCRE-0026
Quantity
2
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
2
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