100mphscooter.com - Rules for 2009
The following Scooter Class rules are listed below in order:
Street Scooter Class 1A - Traditional Scooter up to 210cc.
Street Scooter Class 1B - Traditional Scooter up to 260cc.
Street Scooter Class 2A - Automatic Scooter up to 100cc.
Street Scooter Class 2B - Automatic Scooter up to 190cc.
Competition Scooter Class 3 - Up to 260cc.
Top Scooter Class 4 - Unlimited cc.
Without exemption, the top 3 Scooters in each class may be subject to cylinder head removal for technical inspection. Failure to comply may result in disqualification.
Event rules are listed at the bottom of this page.
Scooters in 'Street Scooter Class 1A' must conform to the following:
1. Tax, Mot, SORN documentation will be accepted.
2. Frame - Modifications will be accepted, but with engine fitted into frame as to which it was designed for.
3. Body - Streamlining fairing's are not allowed.
4. Wheels & Tyres - Standard road wheels and road legal tyre's.
5. Suspension - If a scooter is designed to have shock absorbers fitted then they must be fitted and in good working order.
6. Lights and Horn - Lights and Horn must be working. Lights and Indicators must be taped up.
7. Engine - Must be a scooter engine built from scooter parts with the exception of Motorcycle Piston and Conecting Rod which are permitted.
8. Barrel - Must be of origin for the engine for which it was designed, with no external welding to barrel or crank case, except for repair purpose only. Motorcycle Barrel is not allowed.
9. Fuel - Roadside pump petrol only.
10. Aspiration - Normally aspirated for model of scooter.
11. Exhaust - Scooters must be fitted with what is generally accepted as a silencer and must be visibly silenced.
12. Suitable protective safety wear is required including suitable gloves, boots & ACU approved helmet.
Motor Sport is dangerous - Riders in Street Scooter Class 1A are advised to conform to the following:
ACU approved helmet with a visible gold sticker must be worn.
Suitable Race Wear, e.g. one piece or two piece zip together leathers,
boots and gloves are advisable.
Scooters in 'Street Scooter Class 1B' must conform to the following:
1. Tax, Mot, SORN documentation will be accepted.
2. Frame - Modifications will be accepted, but with engine fitted into frame as to which it was designed for.
3. Body - Streamlining fairing's are not allowed.
4. Wheels & Tyres - Standard road wheels and road legal tyre's.
5. Suspension - If a scooter is designed to have shock absorbers fitted then they must be fitted and in good working order.
6. Lights and Horn - Lights and Horn must be working. Lights and Indicators must be taped up.
7. Engine - Must be a scooter engine built from scooter parts with the exception of Motorcycle Piston and Conecting Rod which are permitted.
8. Barrel - Must be of origin for the engine for which it was designed, with no external welding to barrel or crank case, except for repair purpose only. Motorcycle Barrel is not allowed.
9. Fuel - Roadside pump petrol only.
10. Aspiration - Normally aspirated for model of scooter.
11. Exhaust - Scooters must be fitted with what is generally accepted as a silencer and must be visibly silenced.
12. Suitable protective safety wear is required including suitable gloves, boots & ACU approved helmet.
Motor Sport is dangerous - Riders in Street Scooter Class 1B are advised to conform to the following:
ACU approved helmet with a visible gold sticker must be worn.
Suitable Race Wear, e.g. one piece or two piece zip together leathers,
boots and gloves are advisable.
Scooters in 'Street Scooter Class 2A' must conform to the following:
1. Tax, Mot, SORN documentation will be accepted.
2. Frame - Modifications will be accepted, but with engine fitted into frame as to which it was designed for.
3. Body - Streamlining fairing's are not allowed.
4. Wheels & Tyres - Standard road wheels and road legal tyre's.
5. Suspension - If a scooter is designed to have shock absorbers fitted then they must be fitted and in good working order.
6. Lights and Horn - Lights and Horn must be working. Lights and Indicators must be taped up.
7. Engine - Must be a scooter engine built from scooter parts with the exception of Motorcycle Piston and Conecting Rod which are permitted.
8. Barrel - Must be of origin for the engine for which it was designed, with no external welding to barrel or crank case, except for repair purpose only. Motorcycle Barrel is not allowed.
9. Fuel - Roadside pump petrol only.
10. Aspiration - Normally aspirated for model of scooter.
11. Exhaust - Scooters must be fitted with what is generally accepted as a silencer and must be visibly silenced.
12. Suitable protective safety wear is required including suitable gloves, boots & ACU approved helmet.
Motor Sport is dangerous - Riders in Street Scooter Class 2A are advised to conform to the following:
ACU approved helmet with a visible gold sticker must be worn.
Suitable Race Wear, e.g. one piece or two piece zip together leathers,
boots and gloves are advisable.
Scooters in 'Street Scooter Class 2B' must conform to the following:
1. Tax, Mot, SORN documentation will be accepted.
2. Frame - Modifications will be accepted, but with engine fitted into frame as to which it was designed for.
3. Body - Streamlining fairing's are not allowed.
4. Wheels & Tyres - Standard road wheels and road legal tyre's.
5. Suspension - If a scooter is designed to have shock absorbers fitted then they must be fitted and in good working order.
6. Lights and Horn - Lights and Horn must be working. Lights and Indicators must be taped up.
7. Engine - Must be a scooter engine built from scooter parts with the exception of Motorcycle Piston and Conecting Rod which are permitted.
8. Barrel - Must be of origin for the engine for which it was designed, with no external welding to barrel or crank case, except for repair purpose only. Motorcycle Barrel is not allowed.
9. Fuel - Roadside pump petrol only.
10. Aspiration - Normally aspirated for model of scooter.
11. Exhaust - Scooters must be fitted with what is generally accepted as a silencer and must be visibly silenced.
12. Suitable protective safety wear is required including suitable gloves, boots & ACU approved helmet.
Motor Sport is dangerous - Riders in Street Scooter Class 2B are advised to conform to the following:
ACU approved helmet with a visible gold sticker must be worn.
Suitable Race Wear, e.g. one piece or two piece zip together leathers,
boots and gloves are advisable.
Scooters in 'Competition Scooter Class 3' are allowed to run any of the following:
1. Frame - Modified frame, including wheelie bars.
2. Body - Modified body.
3. Wheels and Tyre's - None standard wheels and slick tires.
4. Lights and Horn - If fitted, lights must be taped up.
5. Suspension - Locked or no suspension.
6. Forks - Non-standard forks.
7. Engine - Engine must be a scooter engine, built from scooter parts, with the exception of Motorcycle Piston and Conecting Rod which are permitted. But not specifically in the frame it was designed for. e.g. Auto Engine in a Lambretta Frame.
8. Barrel - Must be of origin for the engine for which it was designed, with no external welding to barrel or crank case, except for repair purpose only. Motorcycle Barrel is not allowed.
9. Fuel - Roadside pump petrol (Av Gas allowed)
10. Fuel Isolation - Fuel On/OFF indication is required.
11. Aspiration - Normally aspirated for model of scooter.
12. Gear Change - Modified gear change.
13. Exhaust - Racing exhaust with silencer.
14. Suitable protective safety wear is required including suitable gloves, boots & ACU approved helmet.
Motor Sport is dangerous - Riders in Competition Class 3 are advised to conform to the following:
ACU approved helmet with a visible gold sticker must be worn.
Suitable Race Wear, e.g. one piece or two piece zip together leathers,
boots and gloves are advisable.
Additional information:
Bore and Stroke must be indicated on the Engine Crank Case.
A 'Competition Scooter' which runs quicker than 13.1 seconds will automatically score points in the 'Top Scooter' Class.
A 'Competition Scooter' running quicker than 13.1 seconds on 3 consecutive events will automatically be promoted to 'Top Scooter'.
Scooters in 'Top Scooter Class 4' are allowed to run any of the following:
1. Frame - Modified frame, including wheelie bars.
2. Body - Modified body.
3. Wheels and Tyre's - None standard wheels and slick tires.
4. Suspension - Locked or no suspension.
5. Forks - Non-standard forks.
6. Engine - Engine must be a scooter engine. Any modification is allowed including the use of motorcycle parts, along with motorcycle cylinders. Internal and External welding is allowed to the barrel and crank case.
7. Fuel - Roadside pump petrol, Av Gas, Racing fuel, Nitrous.
8. Fuel Isolation - Fuel On/OFF indication is required.
9. Aspiration - None standard aspiration e.g. turbo, supercharger.
10. Gear Change - Modified gear change.
11. Exhaust - Racing exhaust with silencer.
12. Ignition Isolator - Ignition cut-out lanyard is required.
13. Suitable protective safety wear is required including suitable gloves, boots & ACU approved helmet.
Motor Sport is dangerous - Riders in Top Scooter Class 4 are advised to conform to the following:
ACU approved helmet with a visible gold sticker must be worn.
Suitable Race Wear, e.g. one piece or two piece zip together leathers,
boots and gloves are advisable.
Additional information:
Bore and Stroke must be indicated on the Engine Crank Case.
The 100mphscooter.com events listed below are run in conjunction with Straightliners and 200mph.net
Although 2009 is an 8 round series, points from only 7 rounds will count towards the Championship
Event entry fees will be paid to Straightliners when signing on, and will vary depending on the venue
Scrutineering will take place at each event after signing on and will be conducted by the NSA
The event entry fee enables you to make as many runs as you possibly can in the day.
Simply join the queue, when you get to the front of the queue race and then join the queue again, and again, and again
At the 1/4 mile sprint events most of the day will be spent qualifying before running the eliminations at the end of the event. The top FOUR scooters in each class will shoot out for the overall winner of the event
A trophy presentation will take place at the end of each event, and points from the event will accumulate towards an overall Champion