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Honda 305 Superhawk Electrics

Points Based Ignition | Electronic Ignition Upgrade
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Eljay
honda305.com Member
Posts: 4
Joined: Fri Mar 03, 2017 10:04 am
Location: Italy

Honda 305 Superhawk Electrics

Post by Eljay » Fri Mar 03, 2017 11:57 am

Hi Folks

I have just restored and rebuilt a 1965 305 CB77 SH. Started no problem. Then the electric starter kept engaging as the button spring assembly was not the best. I smelled smoke so I switched off immediately. I have re-paired the starter button but now have no electrics when I switch on the ignition.?

I have replaced the main fuse and even by passed it with a wire but no electrics at all.?

Can anyone comment / help please.

Best Regards
Les

Eljay. Living in Italy with a CB72 and 750 K0 under build.

mike in idaho
honda305.com Member
Posts: 411
Joined: Sun Jan 29, 2012 9:18 pm
Location: orofino, idaho

Post by mike in idaho » Fri Mar 03, 2017 1:25 pm

All that current drain may have killed the battery, check at the battery terminals for power. Then check the red terminal on the back of the main switch for voltage.
'65 YG1
'65 CB160
'66 CL160
'66 CL77
'78 XS650
'79 GL1000
'69 T100R
'68 TR6
'69 T120
'72 750 Commando
my company car is a Kenworth

Eljay
honda305.com Member
Posts: 4
Joined: Fri Mar 03, 2017 10:04 am
Location: Italy

Post by Eljay » Sat Mar 04, 2017 12:26 pm

Hello Mike from Idaho

Thankyou. You were 99% spot on. What I did was to have an external battery with jump leads as I thought it might require a long few engine turn overs to get the 305 started. Not so.

But as the starter kept engaging and something burnt out it was actually one of the jump lead terminals that had burnt out. Your advice was an excellent tracer. Thankyou.

Once I re-terminated the jumper cable the lights all came on.

I still have an issue with the starter button control but I think that is fixable with a re-redress and the headlight issues are wiring related or the sealed beam unit is burnt out.

I very much appreciate your input.

My stable is
1956 Norton 99 600cc fully restored
CB72 1966 fully restored.
CB77 under restoration
Fiat 500 1972 fully restored
CB750 1969 almost completed in restoration.
Lambretta 150 SX Scooter 1965 in restoration
Lambretta 175 SX Scooter 1966 in restoration

Ferrari 308 GTB 1979 in restoration.

Ferrari 328 GTS in restoration.

I am retired so my company car is a Citroen Kangoo van which we take the dogs in for a 4 kilometres walk in the forest each day before I go the garage.

I very much appreciate your input.

Best Regards

Les

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G-Man
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Posts: 5678
Joined: Wed Mar 25, 2009 5:17 pm
Location: Derby, UK
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Post by G-Man » Sat Mar 04, 2017 6:53 pm

Nice collection!!

G
'60 C77 '60 C72 '62 C72 Dream '63 CL72
'61 CB72 '64 CB77 '65 CB160
'66 Matchless 350 '67 CL77
'67 S90 '77 CB400F

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