Re: Honda Activa CDI unit issue | Symptoms and replacement An update:-
Flawless performance post the fitment of a new CDI unit continues till date, the two wheeler starting with just half a self these days. If parked unused for a few days, it requires a full self to trigger activity through its crankcase, and get going.
Another reason apart from the CDI unit change, is that prior to this self diagnosis of the defective unit by me, the entire fuel line upto the carburettor and all the other electricals were thoroughly checked, tweaked and if necessary cleaned, everyone of them becoming prime suspects for the starting trouble issue in the mornings. Hence, if the other prime suspects are thoroughly checked, found not guilty and acquitted, they usually go gaga with joy and perform well.
Accessing the CDI unit :-
CDI unit is the 'fountain of the electrical setup' and is housed far away from all these other prime suspects and hence escapes detection in a majority of cases. To access it, the two star screws on the flip side (driver's side) at the top of the footboard just below the handlebar have to opened. The front shield housing the battery can then be opened by pulling it forward carefully from just below the headlight. There are two rubber bush mounted fasteners that hold this 'front shield' at the base and these are easily dismounted. The CDI unit is affixed with the rubber strap (as in the image above in OP) and can be detached easily, by disconnecting the OE wiring sockets. To fit the new one, the OE wiring sockets can be gauged and the appropriate slots on the new CDI unit identified which is an easy job. The wiring sockets then flawlessly fit into their new CDI unit slots. After refitting, fastening the rubber belt to secure the CDI unit, the 'front shield' can be refitted by first fitting the two lower fasteners at its base on the lower rubber bushes. It needs a mild downward push to secure itself on the two rubber bushes. After another push at the top, the two star screws atop the footboard, towards the driver's side can be fastened.
Affixed with a new 'fountain of the electrical setup', now the scooter gets a new lease of life and you can Vroooom and Vroooom with joy!
Last edited by anjan_c2007 : 20th September 2023 at 08:06.
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