If the scooter does not have any directional stability, or has a spongy road behaviour we recommend checking the upper and lower steering head bearings. It is easy to check the functionality with an unloaded front wheel. Simply jack up the scooter on the centre stand and move the steering shaft with the wheel control back and forth in the direction of travel. If the steering column shows clearance it is necessary to either retighten the upper nut or to replace the bearings. Checking the bearing shells is also recommended at the same time. We stock the individual bearings/balls as well as complete headset bearing sets.
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Steering Head Bearing Set for Vespa 50-125/PK and Sprint / PX / Cosa: https://shop.sip-scootershop.com/en/product/steering-head-bearing-set-upper-lower-sip-premium_90120100
Steering Head Bearing Set for Vespa VNA - VGLB: https://www.sip-scootershop.com/en/product/steering-head-bearing-set-upper-lower-sip-premium_90122600
Steering Head Bearing Set for Vespa VN - GS150: https://www.sip-scootershop.com/en/product/steering-head-bearing-set-upper-lower-sip-premium_90123300
Tools used in this Video:
Steering Head Bearing Nut SIP universal (BU5420): https://www.sip-scootershop.com/en/product/steering-head-bearing-nut-sip-universal_BU5420
Mobile Scooter Hoist (15199000): https://www.sip-scootershop.com/en/product/mobile-scooter-hoist_15199000
Chuck SIP lower bearing shell upper steering column removal (20842000): https://www.sip-scootershop.com/en/product/chuck-sip-lower-bearing-shell-upper-steering-column-removal_20842000
Puller Tool SIP lower bearing shell of lower steering column (16561000): https://www.sip-scootershop.com/en/product/puller-tool-sip-lower-bearing-shell-of-lower-steering-column_16561000
Chuck SIP lower bearing shell lower steering column removal installation (16029000): https://www.sip-scootershop.com/en/product/chuck-sip-lower-bearing-shell-lower-steering-column-removal-installation_16029000
Tool SIP mounting upper / lower bearing shell, frame (21330000): https://www.sip-scootershop.com/en/product/tool-sip-mounting-upper-lower-bearing-shell-frame_21330000
Multi-Purpose Grease (14080000): https://www.sip-scootershop.com/en/products/mehrzweckfett+repstar+_14080000
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