Here is the big kit that will literally boost your maxi scooters 300cc APRILIA SR, GILERA NEXUS, PIAGGIO BEVERLY, PIAGGIO MP3 YOURBAN and VESPA GTS SUPER.
The famous kit diameter Ø75,5mm aluminum with specific treatment. As usual MALOSSI has made a powerful kit, solid, coupleux and very high quality.
This little monster will increase your engine capacity and bring a real gain in performance. MALOSSI has for this thermal group found the perfect ratio race / diameter, this cylinder will be without problem supported by your crankshaft of origin.
Cylinder
Bore Ø 75.5 mm;
Stroke 63 mm;
Cylinder 282;
12.5: 1 compression ratio.
Material: aluminum alloy with a high content of tempered and tempered silicon, cylinder liner with silicon carbide application in a galvanic nickel matrix and crossed smoothing with two diamond passages, with very strict tolerances
Machining: CNC machine tools with high precision
Piston cylinder couplings with coupling tolerance 0.05 mm
Heat exchange surfaces recalculated and enlarged
Piston
Extra compact with three segments
Material: special high-silicon aluminum alloy with low thermal expansion with application of tin on the sliding walls
Machine tool machining at CN
Lightened and reinforced
Increased heat exchange surfaces
segments
Specials with high sliding and very high mechanical resistance
I ° chromium nitride steel compression segment
II ° special cast iron segment
3-piece scraper ring made of special steel, chromed
Cylinder head
Cylinder head alloy gravity cast aluminum alloy, enhanced, sanded and worked on super precise CNC milling tolerance.
Valve guide with recalculated profile, obtained by powder sintering process (steel, phosphorus, carbon, copper and manganese).
Seat of the alloy steel, cobalt, molybdenum and copper valves with special thermochemical treatment.
Intake valve increased to ø 25 made of special steel bonded by thermochemical treatment.
Exhaust valve increased to ø 22.2, material Nimonich 80 (nickel alloy, chrome, titanium and aluminum).
Intake and exhaust spring in pre-hardened, stabilized chrome-silicon steel with recalculated load good for engine power increase.
Mounts on :
APRILIA ATLANTIC S 300 ie 4T LC euro 3 (PIAGGIO)
APRILIA SCARABEO Special 300 ie 4T LC euro 3 (PIAGGIO M28RM)
APRILIA SPORTCITY CUBE 300 ie 4T LC euro 3 (LEADER M28LM)
APRILIA SR MAX 300 ie 4T LC euro 3
DERBI RAMBLA i 300 ie 4T LC euro 3 (PIAGGIO)
GILERA GILERA NEXUS 300 ie 4T LC euro 3
PEUGEOT GEOPOLIS R / GT 300 ie 4T LC euro 3
PEUGEOT GeoRS 300 ie 4T LC euro 3 (PIAGGIO M28MM)
PIAGGIO BEVERLY 300 ie 4T LC euro 3 <-2009 (M28MM)
PIAGGIO BEVERLY 300 ie 4T LC euro 3 2010-> 2016 (M692M)
PIAGGIO BEVERLY 300 ie 4T LC euro 4 2017-> (MA21M)
PIAGGIO BEVERLY TOURER 300 ie 4T LC euro 3
PIAGGIO CARNABY 300 ie 4T LC euro 3 (QUASAR)
PIAGGIO MP3 300 ie 4T LC euro 3 (QUASAR M634M)
PIAGGIO MP3 300 ie 4T LC euro 3 2014-> (M862M)
PIAGGIO MP3 YOURBAN 4V 300 ie 4T LC euro 3 2011-> 2016
PIAGGIO MP3 YOURBAN SPORT 4V 300 ie 4T LC euro 4 2017->
PIAGGIO X7 EVO 300 ie 4T LC euro 3 (QUASAR)
VESPA SEI GIORNI 300 ie 4T LC euro 4 2018->
VESPA VESPA GTS Super 300 ie 4T LC euro 3 <-2013 (QUASAR M454M)
VESPA VESPA GTS Super 300 ie 4T LC euro 3 2014-> 2016 (QUASAR M454M)
VESPA GTS Super 300 ie 4T LC euro 4 2017-> (QUASAR M458M-M45EM)
VESPA GTS 300 ie 4T LC euro 4 2017-> (MA33M)
VESPA GTV 300 ie 4T LC euro 3 (QUASAR)
