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2009 Dunnell Summerfield Racing Manx Norton 350 For Sale

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  • £19,950 Or near offer
  • 2009
  • Huntingdon
Message the seller
Price £19,950 Or near offer
Ad Type For Sale
Category Motorcycles
Make Norton
Model Manx 350 (40M)
Year 2009
Mileage 500 miles
Country UK
Region Cambridgeshire
Town Huntingdon
Telephone 07973 234099
Status Private
Date 06-Jan-2021
Ref C1286306
Built by Tony Dunnell, the well-respected Manx Norton race bike builder and tuner in 2010, this is an extremely high-specification racing Manx that has been professionally maintained regardless of cost for racing. Previously raced successfully by Mike Cooper and Andrew Taylor, the bike was ridden by Malc Wheeler and featured in Classic Racer magazine in the May/June 2011 edition.

The current owner was Chairman of the CRMC from 2013 – 2018 and is still actively involved in the club. He purchased the bike from Tony Dunnell in 2012 and has raced it competitively in the CRMC championships and also at Chimay in Belgium in 2014. Since owning the bike, it has been professionally maintained by Manx Norton specialist tuner Stuart Tonge of Stuart Tonge Engineering.
The machine is ready to race and would be an ideal bike for the Classic TT and racing or parading at CRMC and BHR events. It is CRMC registered. Full details of tuning work completed and specification is available from Stuart Tonge Engineering.


• Norton Manx 40M 350cc, 81mm bore x 67.8mm stroke
• Engine: Summerfield Engineering short-stroke engine to Tony Dunnell’s specification to maximise power
• Frame: Built by Tony Burgess to Tony Dunnell’s specification
• Gearbox: Brian Richards TTI 6-speed
• Forks: 34.5mm Norton, upgraded by Stuart Tonge Engineering in 2019 with fully adjustable K-Tech internal cartridges; adjustable pre-load, compression and rebound
• Swinging Arm: Titchmarsh Oval style to Dunnell specification
• Rear Suspension: Twin shock, fitted with lightweight Falcon shock absorbers, adjustable pre-load
• Carburettor: Mikuni Racing VM38mm & open bell-mouth
• Brakes: Front 4-leading shoe drum Dick Hunt Fontana
• Brakes: Rear drum by Dick Hunt Manx
• Wheels: Front: conventional spoked wheel with a Morad Spain alloy rim, WM2 (1.85) x 18”
• Wheels: Rear: conventional spoked wheel with a Morad Spain alloy rim, WM3 (2.15) x 18”
• Fairings: Currently fitted with Tony Dunnell’s sleek racing fairing, including oil-catch tray. Also supplied with a mini “bikini” fairing, fly-screen type screen and frame mount for a more traditional un-faired Manx appearance and a spare Dunnell race fairing (which has some light cosmetic damage only). Bike will be supplied with a Lansdowne-style oil catch tray for use with the mini fairing, to comply with current race regulations.
• Exhaust: Lightweight high-level competition exhaust, fitted with a carbon-fibre silencer to meet UK 105dB noise regulations (This silencer tests at 103-104 dB).
• Rev Counter: New Scitsu (internal battery-powered)

Other Comments:

• Power and torque: Dyno tested maximum power = 41.60bhp, maximum torque 26.60 ft-lbs
• Full and extensive race, maintenance and service history, details available on request
• Full set of front and rear sprockets to suit all circuits
• CRMC registered
• Oil is drained and changed after every race meeting.
• Runs on Classic Fuel 105 or Avgas/Super Unleaded mix.
• Stuart Tonge Engineering can confirm this is a very high specification and competitive machine
• Supplied with a range of Mikuni carburettor jets

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