Specifications 2021
the technical conditions did not change and remain the same as in the year 2020.
Retro class:
Engine – D4, D5, D6, D8 and (Russian origin) Modifications.
Required – factory crankcase and crankshaft, ja cylinder silindripea, carburettor, blast tube with a silencer.
Forse Call – Login prohibited except motor BOOST. Reducing the volume of the combustion chamber. Factory crankcase clutch side crankshaft seal Denied. Channel Power max 10.8mm diameter puksipoolsest end and the supply hole must be round. Karterimahu reduction forbidden. D4 / D5-type cylinders D6 / D8-type cylinder head installation banned. Processing and exchange of a connecting rod bush camp in prohibited. A connecting rod and crankshaft bearings must be in the original size. Crankshaft machining cheeks prohibited. The maximum diameter of the piston is allowed to 39,5 mm, it is checked in the technical booth. plunger to force (Changing skirt, Add to, two-ring piston spacer ring) or the stroke length must not be changed. One of the piston ring for the pin allowed.
Maximum dimensions of the outlet ports: the width of the bottom 10,2 mm; The width at the top 12,2 mm; height 13,0 mm.
Maximum dimensions of the inlet window of the sleeve measured from the inner surface: width 11,0 mm ; height 9,0 mm.
Combining karteripoolte cylinder, overflow channels allowed max 10 mm from the bottom of the attachment surface of the cylinder.
Karburaator – The original carburetor, Maximum diameter of the diffuser 9.1 mm. Hood free. Air or fuel mixture ülelaadimis systems prohibited. Any openings in treatment is prohibited, the nozzle diameter of the free.
Issue – factory fire pipe length min. 20 cm and a maximum outer dimension 25 mm (the attachment of the cylinder can be replaced by a spring, clamp, etc.). The damper must be in the original or modifications must meet Võrri D series. Võrri original muffler must not be cut, truncated. Allowed the removal of sieves, welding, fastening structures. Rolled edge points are allowed to be welded. Adding any prohibited material in the silencer.
Ignition – free, can be used as a tractor Magneetot.
Transfer – fikseeritud ülekandesuhe(kett). Cranks must act, s.t, that is mounted on the cranks chain, works behind the wheel cranks chain retainer and the rear wheel brake clamp.
Window – Võrri original frame (sh. fork / suspension, leistang, paak, fenders, Sadul), the addition of reinforcements. Allowed to shorten the dirt tables, confirmation of ways to edit and add guards. Required green background and black numbers in front license plate 200x200mm. Front number shall be legibly placed on the helmet or sõidusärgile. Using the back number nubritahvlit, it must be a green background and black numbers. Numeric plaque size 200×200 mm.
Power system - the mixture must come from the original carburettor, attached to the original intake manifold.
clutch - original
Wheels – 19″, 26″ Võrri origin wheels. Originaalpidurid (trummliga).
Tires – free, naelad, ketid yeah MUU cylinder ulatuv metall on keelatud.
Pidurid – required for each wheel brake pedal.
Other - additional cooling is forbidden.
Driver equipment - The helmet, Gloves and boots are required which extend over the ankle (can be used in winter boots with a height of at least 17 cm). Long clothes.
Original Class:
Engine – D4, D5, D6, D8 and (Russian origin) Modifications.
Required – factory crankcase and crankshaft, ja cylinder silindripea, carburettor, blast tube with a silencer.
Forse Call – Login prohibited except motor BOOST. Reducing the volume of the combustion chamber. Factory crankcase clutch side crankshaft seal Denied. Channel Power max 10.8mm diameter puksipoolsest end and the supply hole must be round. Karterimahu reduction forbidden. D4 / D5-type cylinders D6 / D8-type cylinder head installation banned. Processing and exchange of a connecting rod bush camp in prohibited. A connecting rod and crankshaft bearings must be in the original size. Crankshaft machining cheeks prohibited. The maximum diameter of the piston is allowed to 39,5 mm, it is checked in the technical booth. plunger to force (Changing skirt, Add to, two-ring piston spacer ring) or the stroke length must not be changed. One of the piston ring for the pin allowed.
Maximum dimensions of the outlet ports: the width of the bottom 10,2 mm; The width at the top 12,2 mm; height 13,0 mm.
Maximum dimensions of the inlet window of the sleeve measured from the inner surface: width 11,0 mm ; height 9,0 mm.
Combining karteripoolte cylinder, overflow channels allowed max 10 mm from the bottom of the attachment surface of the cylinder.
Karburaator – The original carburetor, Maximum diameter of the diffuser 9.1 mm. Hood free. Air or fuel mixture ülelaadimis systems prohibited. Any openings in treatment is prohibited, the nozzle diameter of the free.
Issue – factory fire pipe length min. 20 cm and a maximum outer dimension 25 mm (the attachment of the cylinder can be replaced by a spring, clamp, etc.). The damper must be in the original or modifications must meet Võrri D series. Võrri original muffler must not be cut, truncated. Allowed the removal of sieves, welding, fastening structures. Rolled edge points are allowed to be welded. Adding any prohibited material in the silencer.
Ignition – free.
Transfer – fikseeritud ülekandesuhe(kett). Cranks or jalapulk (or to the movable end of the padded).
Window – Võrri original frame (sh. fork / suspension, leistang, paak, fenders except. Sadul), the addition of reinforcements. Allowed to shorten the dirt tables, confirmation of ways to edit and add guards. Required green background and black numbers in front license plate 200x200mm. Front number shall be legibly placed on the helmet or sõidusärgile. Using the back number nubritahvlit, it must be a green background and black numbers. Numeric plaque size 200×200 mm.
Power system - the mixture must come from the original carburettor, attached to the original intake manifold.
clutch - original
Wheels – 19″, 26″ Võrri origin wheels. Originaalpidurid (trummliga).
Tires – free, naelad, ketid yeah MUU cylinder ulatuv metall on keelatud.
Pidurid – required for each wheel brake pedal.
Other - additional cooling is forbidden.
Driver equipment - The helmet (lõuakaitsmega), Gloves and boots are required which extend over the ankle (can be used in winter boots with a height of at least 17 cm). Long clothes.
China Standard:
(The original Chinese Class)
Engine - China-made engine Võrri.
Required - crankcase, cylinder, cylinder head and carburettor (on the engine parts in an original and must remain unchanged).
Forse Call - free, are permitted within the engine is forced. The diameter of the piston 41,5 mm and kolvikäik 38 mm.
Karburaator - must be included in the above-mentioned marque. The carburetor and the cylinder between the manifold (Changing the length of the intake manifold is allowed, because the frame does not fit well RIGA, does not increase).
Issue - The original Chinese engine silencer can be used as the muffler. Factory blast tube length must not be changed (Only the deflection). Permitted to remove the sieves, and the lower cap of the suppressant.
You can also use the Russian Võrri RIGA 13 original muffler with a long flame tube, Factory fire pipe length min. 20 cm and a maximum outer dimension 25 mm. The damper must not be cut or truncated. Adding any prohibited material in the silencer. Allowed the removal of sieves, mounting structures and the addition of a total of the rolled edge of the weld points.
Aircleaner - free. Air or fuel mixture ülelaadimis systems prohibited.
Ignition - must be included in the above-mentioned marque.
Transfer - a fixed transmission ratio(kett). Cranks or jalapulk (or to the movable end of the padded).
Window - free. Required as a yellow background and black numbers front license plate 200x200mm. Front number shall be legibly placed on the helmet or sõidusärgile. Using the back number nubritahvlit, it should be a yellow background and black numbers. Numeric plaque size 200×200 mm.
Wheels - free.
Tires - free, naelad, ketid yeah MUU cylinder ulatuv metall on keelatud.
Pidurid - required both wheels brake pedal.
Driver equipment - The helmet( lõuakaitsmega), Gloves and boots are required which extend over the ankle (can be used in winter boots with a height of at least 17 cm). Long clothes.
Free class (OPEN):
Riga Mopeds:
Engine – D4, D5, D6, D8 and (Russian origin) Modifications.
Required - Factory crankcase and cylinder, allowed the crankcase, the external shape of the second type of modified intake and ignition systems for installation. Permitted water-cooled cylinder factory (D10, etc. and on the original bred for making a water jacket which is cooled cylinder sizes for) use. Allowed to add cooling fins of the cylinder cooling fins that are fastened onto põhiribide.
Forse Call - free, are permitted within the engine is forced, Maximum diameter of the piston 39,5 mm, it is checked in the technical booth. Stroke 40mm required.
Karburaator – free.
Issue – free.
Transfer – fikseeritud ülekandesuhe(kett).
Window – free, Required with a blue background and black numbers in front license plate 200x200mm. Front number shall be legibly placed on the helmet or sõidusärgile. Using the back number nubritahvlit, it must be on a blue background and black numbers. Numeric plaque size 200×200 mm.
Wheels – free.
Tires – free, naelad, ketid yeah MUU cylinder ulatuv metall on keelatud.
Pidurid – required for each wheel brake pedal.
Driver equipment - The helmet( lõuakaitsmega), Gloves and boots are required which extend over the ankle (can be used in winter boots with a height of at least 17 cm). Long clothes.
Hiinakas 50cc:
Engine - China-made engine Võrri.
Forse Call - free, are permitted within the engine is forced. Maximum diameter of the piston 41,5 mm and a stroke required for 38 mm.
Issue - free.
Aircleaner - free.
Ignition - free.
Transfer - a fixed transmission ratio(kett). Jlpulk (or to the movable end of the padded).
Window - free. Required as a yellow background and black numbers front license plate 200x200mm. Front number shall be legibly placed on the helmet or sõidusärgile. Using the back number nubritahvlit,Endurance, it must be a yellow background and black numbers. Numeric plaque size 200×200 mm.
Wheels – free.
Tires - free, naelad, Chains and other protruding metal prohibited.
Pidurid - required both wheels brake pedal.
Driver equipment - The helmet( lõuakaitsmega), Gloves and boots are required which extend over the ankle (can be used in winter boots with a height of at least 17 cm). Long clothes.
Numeric plaque color codes:
Color codes are necessary for those, who do not wish to make a number of plastic bars in the numbers themselves.
Retro / Original - green (RGB 99CC33) Black number on base
Free class - light blue (RGB 6699FF) Black number on base
Hiinakas - yellow (RGB FFFF00) Black number on base