Not approved on the public highway, only reserved with the competition, in any case does not respect the rules of the road!
Here the kit 70cc TOP PERFORMANCES BLACK "TROPHY", this one is made with a treatment "MINACROM" good. It has 5 transfers. Admission and its charts are reworked permetttant him an excellent engine torque. Transfers and exhaust are fussed by hand in the factory Top performance.
The VERTEX piston Ø 47mm high silicon content has a superficial treatment "Molybdenum disulphide" as well as a little preparation on the arrest arrested skirt and side opening for better PMB and better scanning. In addition, it is bi-segments of 1.5mm thick, they are reinforced, hard chrome and curved allowing it good acceleration.
Its head has a high-compression chamber and tapered finish polie.C'est one of the most durable and torquey kits in its class thanks to its normal exhaust and the quality of its surface treatment.
We advise those who want good torquey equipment while aillant some strength to do a lot of kilometers.
Technical characteristics of the kit TOP PERFORMANCES:
-alésage: 47mm
-course planned: 39,2mm
Real -cylindrée: 68cc
Volumetric -report: 1: 12.5
We recommend at least: reinforced crankshaft and bearings, carburetion D.19mm racing, exhaust racing, cold candle racing oil.
contains:
-piston reinforced high silicon content with superficial treatment "Molybdenum disulphide"
-2 Segments strengthened chrome polished 1.5mm thick
piston -clips G
reinforced seams complete -pack
Axis-piston reinforced 10mm diameter
-culasse d.47mm high truncated compression polished room
-cylinder d.47mm melting, treated "MINACROM" (chromium additionée)
-Notice TOP PERFORMANCES
Optional we offer a preparation course 1, this preparation is a modification of the channels and the exhaust port by increasing the charts and improvement of the duct, it increases the cylinder performance. Improved piston and bottom skirt is also included in the amendment. Allow a little extra time for this preparation!
Itself on:
APRILIA AMICO
Aprilia SR (before 1993 only)
FANTIC BIG WHEEL
GARELLI PONY
GARELLI SR
ITALJET BAZOOKA
ITALJET PISTA
ITALJET REPORTER
ITALJET SCOOP
ITALJET YANKEE
ITALJET ASCOT
ITALJET ASTRA
LEM FLASH
LEM GHIBLI
LEM TORNADO
LEM TORNADO SS1
KOTIR SR
KTM CHRONO
MBK BOOSTER
MBK BOOSTER NAKED
MBK BOOSTER ROCKET
MBK BOOSTER NEXT GENERATION (NG)
MBK BOOSTER CWMBK BOOSTER SPIRIT
MBK STUNT
MBK TARGET
MBK BOOSTER TRACK
YAMAHA BW'S
YAMAHA BW's NG
YAMAHA BW'S ORIGINAL
YAMAHA BW'S NAKED
YAMAHA CRZYAMAHA CT
YAMAHA SLIDERY
SPY Amaha
YAMAHA ZUMA
And other models ...
