honda305 Home honda305 Auctions honda305 Gallery honda305 Forum


honda305.com Forum

Login
□ Search
□ FAQ 
□ 
Vintage Honda Owners,
Restorers, Riders and
Admirers

How to check coil on a 305 dream

Points Based Ignition | Electronic Ignition Upgrade
rrietman
honda305.com Member
Posts: 561
Joined: Mon Oct 13, 2008 6:45 pm
Location: bellingham wa.

Post by rrietman » Wed Jun 29, 2016 12:08 am

I wonder about that coil. dream coils should have screw on wire connectors (early), or wires potted directly into the case(late).
Good luck
Randy

revlover
honda305.com Member
Posts: 169
Joined: Sun Jul 12, 2015 5:06 am
Location: Shepherdsville, KY

Post by revlover » Wed Jun 29, 2016 2:13 pm

Also.. don't forget to check the condenser that Honda hid on top of the head.
"If the women don't find you handsome, they should at least find you handy." Red Green

Nick
honda305.com Member
Posts: 141
Joined: Thu Oct 15, 2009 2:03 am
Location: Paradise

Post by Nick » Wed Jun 29, 2016 9:17 pm

If the points are sparking when the engine is running, that can indicate a bad condenser.

Old high tension leads/plug caps can cause misfire/poor running. Replace leads with new. Replace plug caps.

If you suspect that the high tension leads are leaking, put fuel line around each coil wire for better insulation.

Are the points' mating surfaces clean and smooth? If not, file/sand smooth. Check timing using strobe light (just buy one, they're cheap and it's the only way to properly check the timing). Gap the points/plugs as per the manual.

Check tappet clearance. Check float level. Check for good fuel flow from petcock and to carb float bowl (dirt can fill in behind the float needle seat, causing flow restriction).

New spark plugs, or sandblast clean and test the plugs using a plug tester. Just because the plugs spark when resting on the head doesn't mean they'll spark under compression.

Check the coil for resistance using an ohm meter (plenty info online).
Do what you've always done and you'll get what you've always had.

Hondaboy
honda305.com Member
Posts: 16
Joined: Sun Jun 05, 2016 9:13 pm

Post by Hondaboy » Wed Jun 29, 2016 10:14 pm

Thanks I am going to go through and double check everything again.

Post Reply




 

CB-77 | CYP-77 | Road Test | Riding Log | Literature | Zen | Marketplace | VJ Survey | Links | Home