BMW R90S 1043CC HPN SPECIAL

R100RS Donor engine fitted with HPN 1043cc High Compression kit1987 see link: https://hpn.de/english/motor.html 1043 Big Bore Kit 1043cc complete set made in Germany (art.nr. 307Comes with: Cylinders with stainless steel pushrod tubing, pistons, head gasket, shortening of your cylinder bolts and pushrods, shortened intake manifolds, adaption of the squish area of your cylinder heads, TÜV certificate. Power output depending on the compression ratio and accessory from 48 kW (68 hp) to 53 kW (75 hp), weight saving compared to 980 ccm serial parts about 1,1kg, the piston is 182g lighter than the serial part. Engine width is reduced for 26mm. Dual Plugged Gas Flowed Sump Extension & AND Deep Pan sump Carbs Vapour Blasted rebuilt all new Gaskets & 'O" rings & Diaphragms Engine built by Andrew Sexton at a cost of over £7250 All new cables, all fluids/Filters changed Gearbox Splines & drive splines lubricated (Starbuag) 1981 Gearbox fully rebuilt with all 6 bearings replaced by Roger Bennett Engineering 1974 BMW R90S Frame, PRIMED & Powder coated in Laverda Jota Silver Registered as a 1974 BMW R90s therefore MOT & Road tax (VED) Exempt "Brembo" forks and calipers Calipers fully rebuilt, new seals pads & "O" rings "Wheels laced with Stainless spokes & rebuilt by "Doug Richardson Rewired Master Cylinder 13mm rebuilt ( R90S handlebars ( Genuine) R90s ORIGINAL Handlebar clamps Steering head Bearings Renewed Later Type Switchgear (1981) "DYNA TEK" Coils fitted with correct Ballast resistor in modified Heat sink, New HT leads, correct Spark plugs for Dual Plugged heads Boyer Ignition Round /Peanut Type Rocker covers Surefoot" side stand" Keihan" Stainless Silencers"" MOTOBATT UHD 30Amp/Hr Battery "Nippon Denso" high performance/High torque Starter motor (Toyota) A4 Box File of receipts for work completed & parts Bevel drive fully rebuilt by Roger Bennett freshly powder coated springs)) KONI "Dial-a-Ride" Shocks All fastenings stainless steel and hand polished to r