Stage 1-3 are O-tuning alternatives. We need your original cylinder in order to realize the following 3 tuning variants (Stage 1-3). At Stage 4 and 5 we will adapt a PX alluminium topend:

Stage 1 (10 hp):

Slight changes in timing, cylinder honing / drilling, machining of the piston supplied by us, matching mainjets for your original carburettor and a special original looking box exhaust . The original crankshaft and cylinder head can be reused.
Setprice: 795€

Stage 2 (12 hp):

Changes in the timing, cylinder honing / drilling, machining the piston supplied by us, matching mainjets for your carburettor, crank (57 stroke, needle end bearing, standard seals), CNC cylinder head Veloce, clutch incl. pinion and spacer, Pinasco ignition and a special original looking box exhaust.
Setprice: 1.998€

Stage 3 (14 hp):

Complete conversion to long stroke including all necessary adjustments:

Changes in the timing, cylinder honing / drilling / planning, machining the Meteor piston supplied by us, matching main jets for your carburettor, Kingwelle (60 stroke, forged conrod, from outside changeable seals), CNC cylinder head Rapido, clutch incl. pinion and spacer, Pinasco ignition and a special box exhaust (transfer ports in the carter you have to adjust by yourself).
Setprice: 2.195€

Here you can see the bench results with the 3 versions for the GS 150 :

Here is an example of a customer engine that has built a GS engine with the components prepared and delivered by us:

14PS at 16Nm is a very remarkable achievement when using the original casting cylinder. Benny has also built a beautiful scooter:

Stage 4 (22 hp):

Quattrini conversion with adaptation of a M1XL cylinder on a long stroke CNC-Kingwelle crank including all necessary parts and adjustments: Kingwelle long stroke, works on carter, matching foot and head gasket, special long-stroke studs, cylinderkit with modified intake manifold and shock absorber mount bracket, clutch, Pinasco ignition and clutch spacer, primary and clutch pinion .
Setprice: 2.795€

Power diagram of the Stage 4-tuning:

Stage 5 (26 hp):

Quattrini conversion with adaptation of a M1XL cylinder on a long stroke CNC-Kingwelle crank including all necessary parts and adjustments: Kingwelle long stroke crank (61mm), works on carter, matching foot and head gasket, special long-stroke studs, cylinderkit with modified intake manifold and shock absorber mount bracket, clutch, Pinasco ignition and clutch spacer, primary and clutch pinion .
Setprice: 2.995€

Power diagram of the Stage 5-tuning:

 

Stage 6 (32hp):

Quattrini conversion with adaptation of a M1XL cylinder on a long stroke CNC-Kingwelle crank including all necessary parts and adjustments: Kingwelle long stroke crank (62mm), works on carter, matching foot and head gasket, special long-stroke studs, cylinderkit with modified intake manifold and shock absorber mount bracket, clutch, Pinasco ignition and clutch spacer, primary and clutch pinion .
Setprice: €

Power diagram of the Stage 6-tuning: coming soon!!

Stage 7 ( 29hp):

High torque conversion with adaptation of a 211cc Aluminium topend on a special long stroke CNC-Kingwelle crank with enlarged wedge diameter including all necessary parts and adjustments: Kingwelle long stroke crank (62mm), works on carter, matching foot and head gasket, special long-stroke studs, cylinderkit with modified intake manifold and shock absorber mount bracket, clutch, Pinasco ignition and clutch spacer, primary and clutch pinion .
This kit will be exclusively build inhouse! Please ask for a price offer via mail.

We are happy to build your motor based on the above shown kits. If you are interested, we will gladly send you an appropriate offer.