aprilia area 51 50 2t lc

IF the CRANKSHAFT has a Ø 12 PIN INSTALL the PISTON 34 8544

IF the CRANKSHAFT has a Ø 12 PIN INSTALL the PISTON 34 7849

Crankcase MODIFICATIONS: BORING AND CHAMFERING - To be combined EXCLUSIVELY with crankshafts 53 8855 - 5315973 and exhaust system Malossi 3219559 (3216832 out of production) scooter racing MHR Ø 47,6 Big Bore.

To be assembled EXCLUSIVELY with Malossi CRANKSHAFT 53 8009

Crankcase MODIFICATIONS: BORING AND CHAMFERING - To be combined EXCLUSIVELY with crankshaft 5317827 and exhaust system Malossi 3219163 (3216827 : out of production) scooter racing MHR Ø 52 Big Bore.

for CRANKSHAFTS 53 8855 - 5315973 ( 5312809 out of product. )

IF the CRANKSHAFT has a Ø 12 PIN INSTALL the PISTON 34 8538

IF the CRANKSHAFT has a Ø 12 PIN INSTALL the PISTON 34 7036

to change CYL. KIT 31 8559 from piston-pin Ø 10 TO 12 (PLEASE CHECK the exact SELECTION of the installed  piston)

to change CYL. KIT 31 8559 from piston-pin Ø 10 TO 12 (PLEASE CHECK the exact SELECTION of the installed  piston)

to change CYL. KIT 31 8556 from piston-pin Ø 10 TO 12 (* PLEASE CHECK the exact SELECTION of the installed  piston)

to change CYL. KIT 31 8556 from piston-pin Ø 10 TO 12 (* PLEASE CHECK the exact SELECTION of the installed  piston)

to change CYL. KIT 31 8556 from piston-pin Ø 10 TO 12 (* PLEASE CHECK the exact SELECTION of the installed  piston)

to change CYL. KIT 31 8556 from piston-pin Ø 10 TO 12 (* PLEASE CHECK the exact SELECTION of the installed  piston)

To change CYLINDER KIT 31 8284 from piston-pin Ø 10 TO 12 (* please check the exact SELECTION of the installed piston)

To change CYL. KIT 31 7559 - 31 8501 from piston-pin Ø 10 TO 12 (* PLEASE CHECK the exact SELECTION of the installed piston)

To change CYL. KIT 31 7559 - 31 8501 from piston-pin Ø 10 TO 12 (* PLEASE CHECK the exact SELECTION of the installed piston)

To change CYLINDER KIT 31 8284 from piston-pin Ø 10 TO 12 (* please check the exact SELECTION of the installed piston)

To change CYL. KIT 31 7559 - 31 8501 from piston-pin Ø 10 TO 12 (* PLEASE CHECK the exact SELECTION of the installed piston)

To change CYLINDER KIT 31 8284 from piston-pin Ø 10 TO 12 (* please check the exact SELECTION of the installed piston)

To change CYL. KIT 31 7559 - 31 8501 from piston-pin Ø 10 TO 12 (* PLEASE CHECK the exact SELECTION of the installed piston)

To change CYLINDER KIT 31 8284 from piston-pin Ø 10 TO 12 (* please check the exact SELECTION of the installed piston)

To change CYL. KIT 31 7559 - 31 8501 from piston-pin Ø 10 TO 12 (* PLEASE CHECK the exact SELECTION of the installed piston)

To change CYLINDER KIT 31 8284 from piston-pin Ø 10 TO 12 (* please check the exact SELECTION of the installed piston)

Spare part for Malossi CRANKSHAFT 5312810 : out of production

Spare part for Malossi CRANKSHAFTS MHR TEAM 53 9857 - 5312809 - 5313275 : out of production

Piéce détachée du VILEBREQUIN Malossi réf. 5316039 : production cessée

TO COUPLE ONLY WITH cylinders Kit 3111511 - 3115390. - If you use variator 5118678 you also have to fit fixed cover + hub kit art. 2019248.

Crankcase MODIFICATIONS: BORING - TO BE COUPLED ONLY WITH cylinder kits 3115374 (3113039/.T0 out of production - AFTER FITTING SPACER 0716344) AND WITH Multivar 5112800 or 5118678 (5115823 out of production). - If you use variator 5118678 you also have to fit fixed cover + hub kit art. 2019248.

TO COUPLE ONLY WITH cylinder Kit 3111511

ONLY for PISTON WITH PIN Ø 12

Spare part for GEAR 67 8998 : out of production

TO COUPLE ONLY WITH cylinder Kit 3115374

TO COUPLE ONLY WITH cylinder Kits 3115142 - 3115901

TO COUPLE ONLY WITH cylinder Kit 3115883

To be combined EXCLUSIVELY with CYLINDER KIT 3115390

for ORIGINAL VALVE

WITH manual choke

TO BE USED TOGETHER WITH MULTIVAR 5115823 and CRANKSHAFTS 5315973 (5313275 - 5314548 : out of production)

Can be rotated of 360°

Can be rotated of 360°

Can be rotated of 360°

for ORIGINAL VARIATOR

** Homologation Code : NOT HOMOLOGATED ** THE ABSENCE OF HOMOLOGATION DOES NOT LIMIT THE PRODUCT FITTING

ONLY for OVER RANGE MHR ALUMINUM - IF FITTED WITH CRANKSHAFTS 5315973 ( 5312810 - 5313275 - 5314548 - 5316048 out of production), USE KIT 2019248

ONLY for OVER RANGE

for vehicles WITH ORIGINAL CLUTCH BELL Ø 107

for vehicles WITH ORIGINAL CLUTCH BELL Ø 105

for vehicles WITH ORIGINAL CLUTCH BELL Ø 112

ONLY for OVER RANGE

ONLY for OVER RANGE MHR ALUMINUM

for Multivar and original variator - rigidity increase compared to original spring: +40%

Spare part for Malossi MULTIVAR 2000 MHR ALUMINUM 5115823 : out of production

for Multivar and original variator - rigidity increase compared to original spring: +30%

ONLY for OVER RANGE

for Multivar and original variator - rigidity increase compared to original spring: +35%

Spare part for Malossi IGNITION 5511182 : out of production

Spare part for IGNITIONS 5514690 - 5515002 : out of production

ELECTRIC SYSTEM IS CUT OUT

ONLY FOR vehicles WITHOUT IMMOBILIZER KEY

Front - Rear - for vehicles PRODUCED 1998 --> ** HOMOLOGATED **

Front - Rear - for vehicles PRODUCED 1998 -->

Front - Rear - for vehicles PRODUCED 1998 --> ** HOMOLOGATED **

ONLY for vehicles WITH Malossi MHR C-one/RC-one ENGINE CRANKCASE

STRENGTHENED for ROAD and RACING USE - Carbonitrided inner ring

STRENGTHENED for ROAD and RACING USE

(spare part for *1st series Malossi CRANKSHAFT 53 9864 * : out of production)

(spare part for Malossi secondary gears 67 8998 : out of production)

TO BE USE WITH MODULAR-HEAD cylinder kits

TO BE USED TOGETHER WITH MULTIVAR 5115823 and CRANKSHAFTS 5315973 (5313275 - 5314548 : out of production)

Not suitable for original air box filter - ATTENTION: in order to use the MHR manifolds it is necessary to perform some small modifications to the adjacent plastic

Not suitable for original air box filter - ATTENTION: in order to use the MHR manifolds it is necessary to perform some small modifications to the adjacent plastic

Not suitable for original air box filter - ATTENTION: in order to use the MHR manifolds it is necessary to perform some small modifications to the adjacent plastic

Can be rotated of 360°

Can be rotated of 360°

Can be rotated of 360°

for ORIGINAL VALVE