If you're having spark issues with your YFM 660 then it's a no brainer to get a new coil on the quad and why not get an upgrade at the same time
This taper roller headstock bearings set has been manufactured to replace the original set of steering stem bearings on a Yamaha TZR125 for the years and models shwon above
Suzuki DL 1000 V-Strom (2002-2012)
This set of head stock bearings are taper roller style and have been manufactured to replace the original set of steering bearings on an RGV250 for the years and models shown above
FREE UK DELIVERY on these GSX-R 1100 / GSXR 1100 ignition coils
CDI Immobiliser Bypass: Gilera Runner VX125 VX 125 (2000-2007) Suzuki GS850 If you're having spark issuesBrand New CDI Immobiliser Chip Key Bypass to fit: Gilera Runner VX 125 (2000 2007). This replaces the original unit on MAGNETI MARELLI ACI600 ACI601 ACI602 ACI603 ACI604 units OR EFI Technology AC2i AC3i AC5i AC8i units for a Gilera Runner VX125 years 2000, 2001, 2002, 2003, 2004, 2005, 2006 & 2007. Please note other CDI Immobilisers may look similar but the original CDI must have one of the AC numbers mentioned above stamped on it for this to fit. 4T