Warranty 3 months 
4 valves head racing with titanium retainer and decompressor
Bore x stroke 60x57mm
power 23.5 HP
Piston 2 rings
Manual clutch 5 discs with rubber and support reinforced
gearbox 4-speed type N1234 -Race ratio-
Valves clearance is between 0.09//0.15 in and 0.15/0.20 mm ex
Provided with intake pipe, kick lever, ignition harness and the new CDI with 2 maps on handlebar
(without engine guard)
 
The guarantee covers any engine failure under a normal maintenance (replacement of piston kit every 20h, control valves clearance every 10h, check the gearbox and clutch every 30h)
The warranty will cover the new parts except the labor to replace.
The kick start will be the object of your attention in order to not break the gear system and crankcase. We draw your attention that these parts can not be guaranteed. We are available to explain how to get started easily.