![]() ![]() carb up to 26mm measured at the venturi.Variable ignition systems are allowed however the system may only be modified/mapped from within the stator and not via an external switch or mechanism.The engine must comply with the maximum output specifications for the class as shown above. Any Supermoto Style Pitbike with a maximum seat height of 84cm.All fitted ballast MUST be checked by the scrutineering team BEFORE you take to the circuit The weight must be of the purpose-made type similar to that sold by Demon Tweaks Motorsport and must be firmly fitted underneath or behind the engine and must be securely fitted with drilled and lock wired bolts. Additional weight may be added to meet the weight limit up to a maximum of 10 kilos. The combined minimum weight of Bike, Rider and racing kit when measured post-race must not be less than 101 KG.The class is open to all riders aged 9 (year of their 9th birthday must fall within the main championship season) to 14 but they must be able to hold themselves up on the machine when stationery and also be able to pull away and stop on their own unaided.Electric start engines will be allowed as long as the battery is a sealed type and that the battery is contained within a purpose-built box welded to the frame/subframe and held in place with a strap or bracket.YX 88cc or Lifan 88cc semi auto, fully auto, or manual engine.Engine Max Output Levels when tested post-race on the trackside Mini Bike Dyno.The class is open to all riders aged 7 (year of their 7th birthday must fall within the main championship season) & above but they must be able to hold themselves up on the machine when stationery and also be able to pull away and stop on their own unaided.Open Tyres / Maximum 10” diameter wheels (mag wheels are allowed).Open but both Front and rear must be fully operational and work independently of each other.Rear Brake can be either foot or thumb-operated.Rear Shock can be replaced with a maximum retail price of £199 when new and must be readily available from suppliers to all customers.Front forks can be replaced with a fully adjustable upside-down system.However, the noise output level must be no more than 105DBa when tested using the static test method or 98DBa when tested by Drive-By test method. carb up to 22mm measured at the venturi.Lightened Outer or inner rotor kits are allowed.Electric start engines will be allowed as long as the Battery is a sealed type and that the battery is contained within a purpose-built box welded to the frame/subframe and held in place with a strap or bracket.YX 88cc or Lifan 88cc semi auto, fully auto or manual engine.Engine Max Output Levels when tested post race on the trackside Mini Bike Dyno.The class is open to all riders aged 7 (year of their 7th birthday must fall within the mainchampionship season) & above but they must be able to hold themselves up on the machine when stationery and also be able to pull away and stop on their own unaided.We all want cost affecting close competitive racing and not chequebook racing. We, therefore, reserve the right to exclude that or any other part in the attempt to keep all the racing as close as possible. There may be products available on the market that fall within the above specifications that may give your bike a noticeable advantage. You are reminded that this is a budget sport and the above regulations have been put in place in order to maintain that. 1 Piece minimoto or full leather suit, minimoto race boots, leather gloves, full face ACU approved helmet, and back protector.Standard unleaded fuel purchased from a high street forecourt only.However, the noise output level must be no more than 105DBa when tested using the static test method or 98DBa when tested by the Drive-By test method.įactory-fit cable or hydraulic brakes, aftermarket hydraulics must use a manufactured bracket and not homemade. 1piece Blata supplied exhaust with any silencer.Blata 39cc RM engine with 10mm restrictor fitted, Reed petals and air filter may be changed, the clutch may also be changed.Open to any Blata, GRC, DM, TeVo, Stamas, ZPF other chassis possible via approval The class is open to all riders aged 6 & above but they must have been deemed competent to race by attending & assessed by M4 Karting Mini Moto Academy or individually assessed by a BMB Official or Trainer as competent before they will be allowed to take part in a qualifying or race session. ![]()
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