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We have extensive experience in tuning two stroke motorcycles, especially the NSR250 where Matt's work is legendary. In this section, you will find products to maximise the full potential of your machine whether you are just looking to derestrict your bike or make it into a full blown racer. Check out these links for ideas:


MC21 Power Up Kit, MC28 Power Up Kit, and MC21 Tuning


 

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Big Bore Kit, NSR300, Wiseco *

Big Bore Kit, NSR300, Wiseco *

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

Model
TPER-3007
Quantity
6
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
Flange, Silencer Mounting, Mild Steel

Flange, Silencer Mounting, Mild Steel

This Silencer Mounting Flange, made in mild steel, allows for fitment of all TYGA silencers to just about any two…

Model
TPER-0022
Quantity
73
Flange, Silencer Mounting, Stainless Steel

Flange, Silencer Mounting, Stainless Steel

This Silencer Mounting Flange allows for fitment of all TYGA silencers to any stainless steel two stroke expansion chamber. Simply…

Model
TPER-0052
Quantity
100
TYGA 300cc exhaust manifold set

TYGA 300cc exhaust manifold set

The TYGA 300cc exhaust manifold set is made exclusively for (and included in) the 300cc big bore kit (TPER-0007). The fitting…

Model
TPER-0037
Quantity
18
Airbox (Carbon), NC30/35

Airbox (Carbon), NC30/35

Perfect carburation requires a large volume of still air which most airboxes struggle to achieve. Our airbox increases this volume…

Model
BPCX-9009
Quantity
3
Race Air Box Lid (Carbon), MC21/MC28

Race Air Box Lid (Carbon), MC21/MC28

Race Air Box Lid Carbon, MC21 The stock air box is restricted by the size of the inlet holes…

Model
BPCX-9010
Quantity
3
Race Airbox Lid (GRP), MC21/MC28

Race Airbox Lid (GRP), MC21/MC28

The stock airbox is restricted by the size of the inlet holes on the lid which limits the amountof power…

Model
BPFX-9010
Quantity
2
Carbon Reeds, Cagiva Mito 125

Carbon Reeds, Cagiva Mito 125

Carbon reeds to fit the standard reed valve. Please refer to picture for fitting instructions.   FREE SHIPPING  by Airmail* if ordered individually…

Model
TPER-0048
Quantity
5
Carbon Reeds, Honda NS400

Carbon Reeds, Honda NS400

Carbon reeds to fit the standard reed valve. Please order three sets for complete engine.   FREE SHIPPING  by Airmail* if ordered individually…

Model
TPER-0049
Quantity
7
Carbon Reeds, Yamaha RD350 LC

Carbon Reeds, Yamaha RD350 LC

Carbon reeds to fit the standard reed valve. Please order two sets for complete engine.   FREE SHIPPING  by Airmail* if ordered individually…

Model
TPER-0050
Quantity
14
Steering Stopper, NC30

Steering Stopper, NC30

Steering stopper for race use. Reduces degree of movement in steering. Easy to attach using hole for brake…

Model
TPER-0017
Quantity
17
Steering Stopper, NC35

Steering Stopper, NC35

Steering stopper for race use. Reduces degree of movement in steering. Easy to attach using hole for brake…

Model
TPER-0018
Quantity
10
Steering Stem Conversion Kit, NSR/RS

Steering Stem Conversion Kit, NSR/RS

This conversion kit includes the parts you need to convert the complete USD front end from a Honda RS250 NF5/NX5/NA5…

Model
TPER-0027
Quantity
2
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
14
Wheel, Rear. Aluminium Spacer kit

Wheel, Rear. Aluminium Spacer kit

Replace the heavy steel rear wheel spacers and wheel bearing distance spacer with these lightweight 6061-T6 aluminium spacers. Lighter weight…

Model
TPER-0039
Quantity
14
Sprocket Holder, CNC, Black, MC21

Sprocket Holder, CNC, Black, MC21

CNC machined TYGA sprocket holder for your NSR250 MC21R/SE/SP.   Designed and machined in house by…

Model
TYLY-0043
Quantity
17
Sprocket Holder, CNC, Silver, MC21

Sprocket Holder, CNC, Silver, MC21

CNC machined TYGA sprocket holder for your NSR250 MC21R/SE/SP.   Designed and machined in house by…

Model
TYLY-1043
Quantity
15
Cylinder, NSR300 Kit

Cylinder, NSR300 Kit

Replacement Cylinder for TYGA 300cc Big Bore Kit. Complete with RC valve. Does not include RC valve pulley or head…

Model
TPER-0028
Quantity
100+
Gasket, Cylinder, 0.4mm NF5*

Gasket, Cylinder, 0.4mm NF5*

Gasket, Cylinder, 0.4mm NF5 Fits MC16~28. Use to adjust deck height/squish/compression ratio.…

Model
12191-NF5-610
Quantity
39
Gasket, Cylinder, 0.6mm NF5*

Gasket, Cylinder, 0.6mm NF5*

Gasket, Cylinder, 0.6mm NF5 Fits MC16~28. Use to adjust deck height/squish/compression ratio.…

Model
12193-NF5-610
Quantity
23
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
5
Ignition Rotor (Total Loss), MC28

Ignition Rotor (Total Loss), MC28

HRC style total loss ignition rotor for the NSR250 MC28. Simply remove the standard rotor and generator system and fit this…

Model
TPER-0040
Quantity
4
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+
Piston Circlip set, 300cc Piston *

Piston Circlip set, 300cc Piston *

Relacement piston circlips, to fit 59mm piston as included in the NSR300 Big Bore Kit (TPER-0007), and also to fit…

Model
TPER-0032
Quantity
19
Piston Pin, 300cc Piston *

Piston Pin, 300cc Piston *

Relacement piston pin, to fit 59mm piston as included in the NSR300 Big Bore Kit (TPER-0007), and also to fit…

Model
TPER-0031
Quantity
7
Piston Rings, 300cc Piston *

Piston Rings, 300cc Piston *

Relacement piston rings, to fit 59mm piston as included in the NSR300 Big Bore Kit (TPER-0007), and also to fit…

Model
TPER-0030
Quantity
7
Power Jet #0, for NSR250 MC18/21/28.

Power Jet #0, for NSR250 MC18/21/28.

Power Jet #0, for NSR250 MC18/21/28. Replica part to replace HRC part: 99106-NKD-970   Use this jet to blank off the power…

Model
TPER-0005
Quantity
3
RC valve cable kit, 300cc big bore

RC valve cable kit, 300cc big bore

RC valve cable kit for the 300cc big bore kit.2x Lower cylinder cables.…

Model
TPER-0035
Quantity
9
Steering Stopper, MC21/28

Steering Stopper, MC21/28

Steering stopper for race use. Reduces degree of movement in steering. Easy to attatch using hole for brake hose clamp…

Model
TPER-0012
Quantity
100+
TYGA 300cc Bigbore Piston *

TYGA 300cc Bigbore Piston *

Replacement piston for TYGA 300cc big bore kit…

Model
TPER-0033
Quantity
3
TYGA 300cc Bigbore Top End Rebuild Kit

TYGA 300cc Bigbore Top End Rebuild Kit

The kit includes all piston assy and gasket parts to rebuild one cylinder on your NSR300. For complete overhaul to…

Model
TPER-0016
Quantity
3
TYGA 300cc Cylinder Head Front. *

TYGA 300cc Cylinder Head Front. *

Replacement front cylinder head for TYGA 300cc bigbore kit.…

Model
TPER-0034
Quantity
100+
TYGA 300cc water hose, top cylinder

TYGA 300cc water hose, top cylinder

Water hose required for fitment of the top cylinder in TYGA 300cc big bore kit (TPER-0007).This part is included in…

Model
TPER-0038
Quantity
16
Vertex Piston Kit, RGV/RS250 (Outside Europe) *

Vertex Piston Kit, RGV/RS250 (Outside Europe) *

Vertex single ring race piston for the Suzuki RGV250 and Aprilia RS250. One kit per cylinder, order two kits per…

Model
TPER-0043
Quantity
100+
Vertex Piston Kit, RGV/RS250 (Within Europe) *

Vertex Piston Kit, RGV/RS250 (Within Europe) *

Vertex single ring race piston for the Suzuki RGV250 and Aprilia RS250. One kit per cylinder, order two kits per…

Model
TPER-0042
Quantity
100+
Water Hose, Head conversion, thermostat

Water Hose, Head conversion, thermostat

Use this hose when converting from the standard front cylinder head to a rear cylinder head. Connects inline with the…

Model
TPER-0021
Quantity
2
Wiseco Piston, TYGA 300cc Big Bore Kit *

Wiseco Piston, TYGA 300cc Big Bore Kit *

The WISECO piston kit includes Piston, Rings, Wrist Pin and Circlips (2X) Use standard NSR250 Piston Bearing, 13111-KV3-771 (not included). The…

Model
TPER-0026
Quantity
100+
Woodruff Key, Offset, 1 Degree, NSR250

Woodruff Key, Offset, 1 Degree, NSR250

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

Model
TPER-1044
Quantity
50
Woodruff Key, Offset, 2 Degrees, NSR250

Woodruff Key, Offset, 2 Degrees, NSR250

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

Model
TPER-2044
Quantity
23
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
42
Woodruff Key, Offset, 4 Degrees, NSR250

Woodruff Key, Offset, 4 Degrees, NSR250

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

Model
TPER-4044
Quantity
58
YSS Rear Gas Shock, NSR150SP

YSS Rear Gas Shock, NSR150SP

Upgrade your NSR150SP with the latest in suspension technology. Fully adjustable rear suspension unit for the NSR150SP. Preload adjustment…

Model
MX366-260TRC-02
Quantity
2
YSS Rear Gas Shock, NSR150SP

YSS Rear Gas Shock, NSR150SP

Upgrade your NSR150SP with the latest in suspension technology.  Rear suspension unit for the NSR150SP, adjustable for preload. Preload…

Model
MO302-260T-02
Quantity
4
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