my dtr wont start

my dt is broke!! · L Plate Warrior Joined: 08 Dec 2008 Karma :

after getting a rebore, new piston etc following seizing my bike, i rebuilt it all and it started no problem. after a dy of riding however the bike stopped and would not fire up, so i cleaned the carbs and air filter, fitted a new plug and the bike ran again. now, a couple of days later, the bike stopped running again Sad

and i would appreciate any ones advice!

Wafer_Thin_Ham · Super Spammer Joined: 18 Nov 2005 Karma :

Perhaps workshop would be a better place. Wink

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satelliteone · Nitrous Nuisance Joined: 08 Feb 2007 Karma :

what plug did you put in.. not those nasty iridediums?
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my dt is broke!! · L Plate Warrior Joined: 08 Dec 2008 Karma :

it was an ngk r sparkplug i was going to get an iridium one but didnt have the time. anyway... after ringing around a few garages i changed the ht lead and my bike started! Smile

its running well but apparently my bike is now going eat spark plugs!!

satelliteone · Nitrous Nuisance Joined: 08 Feb 2007 Karma :

My m8`s 2001 DTR is going through them too. Eats then for breakfast. Hes gone threw 2 iridums in so many months. Keeps putting the spare NGK`s back in.
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Honda XLR125R - Project
TZR125RR Belgarda 4DL - Sold
Chinki Project done n Dusted/sold** DTR125 2003 - Finished/sold

my dt is broke!! · L Plate Warrior Joined: 08 Dec 2008 Karma :

what tyres is your mate running on? i want to replace mine as they are getting fairly bald and i cant find the original yamaha ones anywhere Confused

MattHirst · World Chat Champion Joined: 25 Jun 2006 Karma :

If it keeps munching spark plugs then maybe it is running to which and the fuel is just swamping the plug...stopping it from sparking.

When you take the plugs out do they look wet at all (do a plug chop maybe?)

Hope you have run it in after getting a rebore and new piston and rings.
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MattHirst · World Chat Champion Joined: 25 Jun 2006 Karma :

ms51ves3 · Super Spammer Joined: 08 Jun 2007 Karma :

NGK R spark plugs have a resistor in them so should be used with a plug cap that doesn't have a resistor. Or do it the other way round, so have a resisting plug cap and a non resisting spark plug.

If your plugs come out very black and sooty it's probably running rich.

I cleaned up all my old plugs that had died in my RX-S and they give off really stong sparks now.