Crank shaft bearing 6204 TN9/C4 20 x 47 x 14 mm Price for one piece

Racing piston ring  MKR diameter 40.00 mm - thick. 0.80 mm, chrome steel .High performances

REAL Carbon 100 x 100 mm plate, thickness 0.40mm for Racing reed valve petals self-making By MKR

Racing Piston kit 40mm Motorkit. CNC piston 39.95mm for Bidalot / Malossi /  Conti cylinder. Piston ring steel 0.8mm From 12mm axle to head 22mm

Clips - piston pin stop ring in G (with a loop) diameter 13 mm for mini 4-stroke / Dax / Monkey / Cub / Skyteam / TNT City / GY6 / MBK51 ... Price for 1 piece.

Samarin top crankpin / piston axle needle cage - silver plated - dimensions 12 x 16 x 16mm Racing quality

Crank shaft bearing 6204 TN9/C3 20 x 47 x 14 mm Price for one piece

O ring for Bidalot head 45 x 2.5 mm,  Black viton

Racing Piston kit 40mm Motorkit. CNC piston 39.95mm for Bidalot / Malossi /  Conti cylinder. Piston ring steel 1mm, 52gr From 12mm axle to head 22mm

Aluminum cylinder spacer for MBK 51 of 1mm for  Groupe 1 cylinder - raises the diagram by Opus

Piston pin circlips VHM 12 mm. Price for 2 pieces

Spark plug NGK B10EG nickel electrode - LONG THREAD

Hybrid Ceramic Bearing 6204 TN9 HC5C4. Hybrid bearings with steel cages and ceramic balls. Reduced weight bearing: 81grammes (std steel: 98gr)C4 play, polyamide cage suitable for all 2-stroke engines.   Sold by the piece.   

Bidalot  needle bearing crankshaft / piston : 12 x 16 x 16 mm -  clearance  0-2

MKR  Piston / Connecting Rod racing needles bearing Dimension 12 x 16 x 16mm High quality Japanese 10...

MKR racing piston ring - diameter 40.00 mm - thickness 1.0 mm, chromed steel. Made in Japan, irreproachable quality, this is a real racing product that requires an adjustment of the  ring end gap If the cut passes in the  back poort remember...

Spark plug NGK B10EG nickel electrode - LONG THREAD

G2 radiator for Peugeot and MBK mopeds with liquid cooling. Dimensions: 210mm x 140mm Black, complete with 0.9 bar cap Must be mounted on silentblocks (not supplied)

Disassembly tool for Bidalot big clutch. Ins.Diam. 120 mm

Bidalot complete cast iron piston RF50WR 39.94 mm racing replica, height 22 mm, centered ring pin, chromed steel  ring 40 x 1 mm. For Derbi Euro 2/3 and G1 G2 G3 and Open engine.

Set of lightened clutchshoes for Peugeot 103 SPX RCX / MBK 51 Doppler pulley. Supplied with springs.

Bidalot - JBtechnologies Viton oil seal. Ins. diam. 20 mm, out. diam. 30 mm, thickness 5 mm. Price for 1 pc

Cylinder base gasket Bidalot MBK G1 open 0.15mm

Piston ring Bidalot racing, 40 mm diam. 1 mm thickness, chrome steel

Polini oil seal  20 x 30 x 6 Vitton / Ceramic with stop. The Top for the competition. Price for 1 pc.

HPI ignition external rotor 2Ten 2curve with variable advance for MBK51. The ignition system provides a stable signal even at high rpm and is designed to operate up 20.000RPM. The ignition curve profile is designed to enable a large performance gain in acceleration but also in maximum engine speed which improves the engine speed. This model has two ignition curve. (One...

HPI ignition external rotor 2Ten 1curve with variable advance for MBK51. The ignition system provides a stable signal even at high rpm and is designed to operate up 20.000RPM. The ignition curve profile is designed to enable a large performance gain in acceleration but also in maximum engine speed which improves the engine speed. This model only has one ignition curve....

HPI ignition internal rotor 2curves with variable advance for MBK51. The ignition system provides a stable signal even at high rpm and is designed to operate up 20.000RPM. The weight of the rotor is only 430gr, which reduces the weight of the crankshaft is giving much more responsive to the throttle. The ignition curve profile is designed to enable a large performance...

HPI ignition internal rotor with variable advance for MBK51. The ignition system provides a stable signal even at high rpm and is designed to operate up 20.000RPM. The weight of the rotor is only 430gr, which reduces the weight of the crankshaft is giving much more responsive to the throttle. The ignition curve profile is designed to enable a large performance gain in...

High-compression Doppler cylinder head, machined aluminium for Motobecane - MBK 51 air cooled. The volume of its combustion chamber is optimised for a 50cc racing cylinder and it comes complete with an O-ring.

DOPPLER CNC Open pulley for MBK 51 mopeds Sprocket in anti-corrosion treated steel supplied in 11 teeth type 415 Composition of the kit : 1 aluminium plate Ø213mm, for original width belt. 1 steel sprocket 11T 415 2 sealed needle roller bearings HK1616-2RS. 5 FHC screws M5 x 15. Assembly: The countersunk screws must be tightened to a torque...

Red tensionner spring - spare part for Doppler ER1 103 SP / MVL / SPX / RCX / MBK51.  Hardness medium = Yellow  Maximum hardness = Red

Malossi Special Belt for Honda Scoopy before 95 and RS Bidalot. Dimensions: 15 x 8 x 853 mm

Racing chain DID 415 ERZ. Perfect for race use on 125GP bike / Moto3 / Mopeds,... Links to clip. The number of links mentioned is indicative. It is up to you to adjust the exact length of your chain according to the number of teeth of your sprockets  

piston pen Bidalot 13  x 32 mm for MBK Junior

Doppler intake pipe - MBK Motobécane AV10 - FXC - flexible assembly Ultra short, it improves engine response. With fixing for mounting a silentbloc on the carburettor head (not supplied).

DOPPLER CNC Open pulley for MBK 51 mopeds Sprocket in anti-corrosion treated steel supplied in 10 teeth type 415 Composition of the kit : 1 aluminium plate Ø213mm, for original width belt. 1 steel sprocket 10T 415 2 sealed needle roller bearings HK1616-2RS. 5 FHC screws M5 x 15. Assembly: The countersunk screws must be tightened to a torque...

Polini engine housing for Motobécane / MBK51 with racing reed valve.   kit including the 2 half casings +...

Bidalot complete cast iron piston RF50WR 39.95 mm racing replica, height 22 mm, centered ring pin, chromed steel  ring 40 x 1 mm. For Derbi Euro 2/3 and G1 G2 G3 and Open engine.

Doppler ER1 high-end piston kit, diameter 38.95 mm, single-segment  for cylinder MBK51.

Set of 2 universal muffler angle square brackets - allow you to hang the springs in the exhaust. Dimensions: 20 x 25 mm

fits G1 Open G2 Open Europe G3 Carters 2013 Type G1/G2 Piston stroke travel : 39.7 mm - Big end center distance : 85 mm - Crank pin : 16 mm diam. - needle bearing : 16 x 21 x 10 mm