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VHM Pistons

VHM pistons are 100% CNC machined from high quality solid billet material. With our Takisawa lathe we are able to turn elliptical shaped pistons with very high precision.

  • High performance
  • Longevity and keeps performance during lifetime
  • Non-circular piston profile (and inside coating)
  • Resistance to detonation

Important to keep in mind the correct piston-cylinder clearance when mounting a piston, which you can find on the packing list (included in each VHM piston box). We've created an instruction video on how to measure the bore size and thus piston-cylinder clearance.

Honda Years Piston kit (piston, pin, ring, clips) Pin Clip Ring
RS125 ND4 84-86 APHO12521743 APP1445 APC141.1SP APR561.0

RS125 NF4

87-94 APHO12521717 APP1445 APC141.1SP APR540.8
RS125 NX4 95+ APHO12521708 (dome) APP1545 APC151.1SP APR540.8
APHO12521750 (flat top) APP1545 APC151.1SP APR540.8
Honda Years Piston kit Pin Clip Ring
RS250 ND5 85-86 APHO12521743 APP1445 APC141.1SP APR561.0
RS250 NF5 87-92 APHO12521717 APP1445 APC141.1SP APR540.8
RS250 NX5/NXA 93+ APHO12521708 (dome) APP1545 APC151.1SP APR540.8
APHO12521750 (Flat top) APP1545 APC151.1SP APR540.8
Aprilia Years Piston kit Pin Clip Ring
RSW125/250 all APAP12521745
Yamaha Years Piston kit Pin Clip Ring
TZ125 94-97 APYA12521724

APP1647

APC161.1SP APR561.0
TZ125 (54x54 bore engine) 98+ APYA12521716

APP1545

APC151.1SP APR540.8
TZ250 88-99 APYA12521724

APP1647

APC161.1SP APR561.0

TZ250

(54x54 bore engine)

00+ APYA12521716

APP1545

APC151.1SP APR540.8

YZ125

 05+ APYZ12521714

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APC141.0 - VHM - VHM piston clip 14 x 1.0 mm (set of 2)
APC141.0 - VHM - VHM piston clip 14 x 1.0 mm (set of 2)
VHM piston clip 14 x 1.0 mm (set of 2) more info
: $4.41
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APC141.1 - VHM - VHM piston clip 14 x 1.1 mm (set of 2)
APC141.1 - VHM - VHM piston clip 14 x 1.1 mm (set of 2)
VHM piston clip 14 x 1.1 mm (set of 2) more info
: $4.41
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APC161.1SP - VHM - VHM piston clip 16 x 1.1 mm (set of 2) Special
APC161.1SP - VHM - VHM piston clip 16 x 1.1 mm (set of 2) Special
VHM piston clip 16 x 1.1 mm (set of 2)  Special more info
: $5.73
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APC121.0 - VHM - VHM piston clip 12 x 1.0 mm (set of 2)
APC121.0 - VHM - VHM piston clip 12 x 1.0 mm (set of 2)
VHM piston clip 12 x 1.0 mm (set of 2) more info
: $5.73
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APC131.1SP - VHM - VHM piston clip 13 x 1.1 mm (set of 2) Special
APC131.1SP - VHM - VHM piston clip 13 x 1.1 mm (set of 2) Special
VHM piston clip 13 x 1.1 mm (set of 2)  Special more info
: $5.73
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APC141.1SP - VHM - VHM piston clip 14 x 1.1 mm (set of 2) Special
APC141.1SP - VHM - VHM piston clip 14 x 1.1 mm (set of 2) Special
VHM piston clip 14 x 1.1 mm (set of 2)  Special more info
: $5.73
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APC151.1 - VHM - VHM piston clip 15 x 1.1 mm (set of 2)
APC151.1 - VHM - VHM piston clip 15 x 1.1 mm (set of 2)
VHM piston clip 15 x 1.1 mm (set of 2) more info
: $5.73
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APC151.1SP - VHM - VHM piston clip 15 x 1.1 mm (set of 2) Special
APC151.1SP - VHM - VHM piston clip 15 x 1.1 mm (set of 2) Special
VHM piston clip 15 x 1.1 mm (set of 2)  Special more info
: $5.73
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APC181.4SP - VHM - VHM piston clip 18 x 1.4 mm (set of 2) Special
APC181.4SP - VHM - VHM piston clip 18 x 1.4 mm (set of 2) Special
VHM piston clip 18 x 1.4 mm (set of 2)  Special more info
: $7.67
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APP1433 - VHM - VHM piston pin Ø14 x 33.00 mm
APP1433 - VHM - VHM piston pin �14 x 33.00 mm
VHM piston pin �14 x 33.00 mm more info
: $10.62
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APP1437 - VHM - VHM piston pin Ø14 x 37.00 mm
APP1437 - VHM - VHM piston pin �14 x 37.00 mm
VHM piston pin �14 x 37.00 mm more info
: $10.62
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APP1441 - VHM - VHM piston pin Ø14 x 41.00 mm
APP1441 - VHM - VHM piston pin �14 x 41.00 mm
VHM piston pin �14 x 41.00 mm more info
: $14.19
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APP1445 - VHM - VHM piston pin Ø14 x 45.00 mm
APP1445 - VHM - VHM piston pin �14 x 45.00 mm
VHM piston pin �14 x 45.00 mm more info
: $15.98
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APP1545 - VHM - VHM piston pin Ø15 x 45.00 mm
APP1545 - VHM - VHM piston pin �15 x 45.00 mm
VHM piston pin �15 x 45.00 mm more info
: $17.76
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APR541.0 - VHM - VHM piston ring 54 x 1.0 mm
APR541.0 - VHM - VHM piston ring 54 x 1.0 mm
VHM piston ring 54 x 1.0 mm more info
: $28.47
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APR541.0KEY - VHM - VHM piston ring 54 x 1.0 mm KEYSTONE
APR541.0KEY - VHM - VHM piston ring 54 x 1.0 mm KEYSTONE
VHM piston ring 54 x 1.0 mm KEYSTONE more info
: $35.61
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APR540.8 - VHM - VHM piston ring 54 x 0.8 mm
APR540.8 - VHM - VHM piston ring 54 x 0.8 mm
VHM piston ring 54 x 0.8 mm more info
: $50.32
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VHM piston kit TM MX85 2013 - 2022
VHM piston kit TM MX85 2013 - 2022
VHM piston kit TM MX85 2013 - 2022

Comes with piston, ring, pin, and two clips more info
: $125.00
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APYA12521724A - VHM - VHM piston kit Yamaha TZ125/TZ250 '95-99 Ø55.93, Bore Ø56
APYA12521724A - VHM - VHM piston kit Yamaha TZ125/TZ250 '95-99 �55.93, Bore �56
VHM piston kit Yamaha TZ125/TZ250 '95-99 �55.93, Bore �56 more info
: $196.40
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APYA12521716A - VHM - VHM piston kit Yamaha TZ125/TZ250 '00-10 Ø53.93
APYA12521716A - VHM - VHM piston kit Yamaha TZ125/TZ250 '00-10 �53.93
VHM piston kit Yamaha TZ125/TZ250 '00-10 �53.93 more info
: $196.40
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APYA12521716B - VHM - VHM piston kit Yamaha TZ125/TZ250 '00-10 Ø53.94
APYA12521716B - VHM - VHM piston kit Yamaha TZ125/TZ250 '00-10 �53.94
VHM piston kit Yamaha TZ125/TZ250 '00-10 �53.94 more info
: $196.40
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APYA12521724A1 - VHM - VHM piston kit Yamaha TZ125/TZ250 '95-99 Ø55.92, Bore Ø56
APYA12521724A1 - VHM - VHM piston kit Yamaha TZ125/TZ250 '95-99 �55.92, Bore �56
VHM piston kit Yamaha TZ125/TZ250 '95-99 �55.92, Bore �56 more info
: $196.40
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APYA12521724B - VHM - VHM piston kit Yamaha TZ125/TZ250 '95-99 Ø55.94, Bore Ø56
APYA12521724B - VHM - VHM piston kit Yamaha TZ125/TZ250 '95-99 �55.94, Bore �56
VHM piston kit Yamaha TZ125/TZ250 '95-99 �55.94, Bore �56 more info
: $196.40
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APYA12521724C - VHM - VHM piston kit Yamaha TZ125/TZ250 '95-99 Ø55.95, Bore Ø56
APYA12521724C - VHM - VHM piston kit Yamaha TZ125/TZ250 '95-99 �55.95, Bore �56
VHM piston kit Yamaha TZ125/TZ250 '95-99 �55.95, Bore �56 more info
: $196.40
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APYA12521747A - VHM - VHM piston kit Yamaha TZ250 '88-90, Ø55.93, Bore Ø56
APYA12521747A - VHM - VHM piston kit Yamaha TZ250 '88-90, �55.93, Bore �56
VHM piston kit Yamaha TZ250 '88-90,     �55.93, Bore �56 more info
: $196.40
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APYA12521747B - VHM - VHM piston kit Yamaha TZ250 '88-90, Ø55.94, Bore Ø56
APYA12521747B - VHM - VHM piston kit Yamaha TZ250 '88-90, �55.94, Bore �56
VHM piston kit Yamaha TZ250 '88-90,     �55.94, Bore �56 more info
: $196.40
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APAP12521745A - VHM - VHM piston kit Aprilia RSW 125/250 53.93mm
APAP12521745A - VHM - VHM piston kit Aprilia RSW 125/250 53.93mm
VHM piston kit Aprilia RSW 125/250      �53.93 more info
: $196.40
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APAP12521745B - VHM - VHM piston kit Aprilia RSW 125/250 53.94mm
APAP12521745B - VHM - VHM piston kit Aprilia RSW 125/250 53.94mm
VHM piston kit Aprilia RSW 125/250      �53.94 more info
: $196.40
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APHO12521743 - VHM - VHM piston kit Honda RS125 '84-86, RS250 '85-86 Ø55.93
APHO12521743 - VHM - VHM piston kit Honda RS125 '84-86, RS250 '85-86 �55.93
VHM piston kit Honda RS125 '84-86, RS250 '85-86 �55.93 more info
: $234.47
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APHO12521708 - VHM - VHM piston kit Honda RS125 '95+, RS250 '93+
APHO12521708 - VHM - VHM piston kit Honda RS125 '95+, RS250 '93+
VHM piston kit Honda RS125 '95+, RS250 '93+ more info
: $234.47
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APHO12521717 - VHM - VHM piston kit Honda RS125, RS250 '87-92, pin 14mm
APHO12521717 - VHM - VHM piston kit Honda RS125, RS250 '87-92, pin 14mm
VHM piston kit Honda RS125, RS250 '87-92, pin 14mm more info
: $234.47
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APHO12521750 - VHM - VHM flat top piston kit Honda RS125 '95-10, RS250 '93-09
APHO12521750 - VHM - VHM flat top piston kit Honda RS125 '95-10, RS250 '93-09
VHM flat top piston kit Honda RS125 '95-10, RS250 '93-09 more info
: $234.47
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