【SIP PERFORMANCE】Throttle Pulley steering head SIP “Quick Throttle Disc”，73556 - 102633

Φ 47 mm
aluminium，CNC machined
black anodised
short stroke，w/o cable offset，with cable stop
Grade 1＊ - first-class repair and for tuned engines
OEM number(s)：
70573 - 73556 - 102633 (PIAGGIO)

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These SIP PERFORMANCE quick action throttle pulleys - ‘Quick Throttle Disc’ - represent an optical and technical highlight amongst what is normally a unspectacular part of a steering and control assembly.
These items stand out through precision manufacture and are also available in five different colours in a two-tone look！
These items prove that a complete quick-action throttle assembly is not necessary in order to correctly and safely operate a 34mm carburettor mounted on a Vespa.
Our all-new SIP PERFORMANCE ‘Quick Throttle Discs’ are designed specifically to be able to fully open large diameter carburettors more quickly and precisely than ever before！
Initially we only had the PX and PK range of Vespas in mind while developing these items，but we soon realised that there was also a demand to be able to fit these unobtrusive pulleys to vintage models where maintenance of the original appearance is especially prized.
This led to an expansion of the range to include components compatible with all Vespa largeframe models produced during the 60s and 70s.
These parts are regrettably not suitable for use with 125 VNA/VNB1-2 models with metal covers on the steering assembly.
For these models we recommend the use of a universal cable pulley (＃62090000).
Conclusion：”Twist，don´t shout”！
SIP - TIP：Do not forget to order a new throttle cable (＃62042000) and a fresh nipple (＃94230000) to match，when replacing your throttle pulley！
’Quick Throttle Disc’ throttle pulleys for use with Vespa 50 N/L/R 1°/S 1°/SR 1° (D)/90 1°/R/125/PV 1°/GT/GTR 1°/Super/TS 1°/GL/Sprint/V.
1°/Super 1°/180 Rally/SS models：
This throttle pulley is suitable for all vintage Vespa models that have the pulleys disc attached externally to the throttle tube with a cotter-pin，and pushed over the end with a central tube assembly.
These components are CNC machined from solid billet aluminium with a cable guide diameter of 47mm.
Can be fitted ‘Plug ＆ Play’ to the original throttle tube and enables an extremely quick operation of all common carburettor types.
The positioning of the throttle stop is identical to that of the original.
This item provides a noticeably improved throttle-action，even when combined with an original-sized carburettor set up，but really shows its worth when attached to the larger (28mm+) varieties！
For models with indicators/inner tubes，you have to machine the inner diameter of the pulley.

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適合車種： 100 (UK)／100 Sport (US)、125、125 GTR、125 GT／125 Sprint、125 Primavera、125 Super、125 TS、150 GL、150 GS、150 S、150 Sprint、150 Sprin... ( 対応モデルを見る )