Headstock Bearings: Suzuki RM-Z450 RM-Z 450 (2005-2014) Honda CR85 This replaces Magneti Marelli ACI600

This replaces Magneti Marelli ACI600 / ACI601 / ACI602 / ACI603 / ACI604 units

then the ignition coils could be the culprit and it's a good idea to get a some new coils on the bike

5 ohms primary coils which is a like for like replacement of the original coils 21121-1027 / 21121-1028

This headstock bearing set has been manufactured to replace the original set of steering bearings (cup and cone style) on a Yamaha XV700 CS to CT Virago

To replace OEM: 1FG-82310-10 / 1FG-82320-10

Headstock Bearings: Suzuki RM-Z450 RM-Z 450 (2005-2014) Honda CR85 This replaces Magneti Marelli ACI600Brand new set of headstock steering bearings to fit: Suzuki RM Z 450 (2005 2014). This set of head stock bearings are taper roller style and have been manufactured to replace the original set of steering bearings on a Suzuki RM Z450 for the years and models shown above. Top sized: 30mm x 52mm x 16mm. Bottom sized: 30mm x 52mm x 16mm. All sizes set out ID x OD x Thickness. If you require different sizes please click here to see our full list of sizes.