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HELP: very hard starting when cold!

Proemer

Proemer

Joined Aug 2004
38 Posts | 0+
Amsterdam
Hello,

I have a 2002 FC470 with 800km (25 hours) on it. I alway started her without much trouble and without using the choke.

Now that the weather is starting to get colder I suddenly have extreme starting problems when the motor is cold!

When kicking without choke it doesn't do anything. But when pulling out the choke lever it doesn't start either, it will start up and die after 1 or two seconds. It then seems like the engine is flooded.

My procedure is like this: I open the fuel taps, tilt the bike flat for a few seconds, then kick it a few times slowly to find compression, pull out choke lever, give it a solid kick.....

When the engine is warm starting is no problem at all, without using the choke one or two kicks will do it.

What can be the problem?? It drives me nuts!! Last trip I kicked for an hour until she finally fired up.

Thanx guys....!
 
Proemer

first thing that comes to mind is your oil the symtoms you describe are that of the oil being to thick for your climate try using a thinner oil.
Myself not being from a cold climate i am unsure of what viscosity of oil to use i would think maybe somthing around the 0 w 10 or 5 w 15
im sure one of the other guys from this site who ride cold weather could help

cheers doug

(ps) make sure you change or clean your plug often
 
Hi Doug,

Thanks for your reply. I use full-syntetic 10W50 oil from Motorex. Most Husaberg riders I know use this, and they do not have any starting problems.

I did clean the plug, but haven't tried a new one. It does start very well ones the engine is warm...

Regards,
Jeroen
 
Hi Proemer.

Be sure that the valves are correct (o.1 mm which is about 1/8 of a turn on the securing valve screw) and buy a NEW spark plug.

Also make sure that your idle adjustment is not too low. The bergs need just a touch higher idle for cold weather starting

Heimir Bardason
 
hi Proemer,

your oil is absolutely ok.
Please tell me something abbout your carburettor
settings. I would tip on that.
Wrong valve clearances would have more an effect on bad
hot starting, I would say.
Maybe your PJ is bit too small....

greetings

hribman
 
Hi Hribman,

I'm not sure about my carborettor settings. I think I have a 185 or 190 main jet. the others I don't know.

When warm is runs and starts great. Very good throttle response. The exhaust pipes at the cilinder are nice and yellow so not a poor mixture.

Maybe settings are to rich. When weather conditions are not cold I start it without choke. When cold that doesnt work, but maybe it floods when starting with choke. I will try using half choke next time.

Greetz,
Jeroen
 
Proema

Proema,
I think your choke jet is to small, as you said you could start it when the weather is warmer with not much choke. So that indicates that the pilot is pretty close.
 
Hi Hribman,

I'm not sure about my carborettor settings. I think I have a 185 or 190 main jet. the others I don't know.

When warm is runs and starts great. Very good throttle response. The exhaust pipes at the cilinder are nice and yellow so not a poor mixture.

Maybe settings are to rich. When weather conditions are not cold I start it without choke. When cold that doesnt work, but maybe it floods when starting with choke. I will try using half choke next time.

Greetz,
Jeroen
 
Proemer I have the same cold starting problems on my 2002 650.

I think my problem lies with too lean choke jet and too rich pilot jet.

I have a Mikuni pumper carb on it and it starts alot easier when I pump the throttle as it cranks over before I try and start it.

Lloyd.
 
Try a new spark plug, when my 470 starts to start harder. I'll put a new plug in and she's back to normal. My dealer say's the high compression of the Berg will fracture the porcelain? Also I'd use a 5w-50 mine didn’t like the 10w even in warmer weather on first starts. I always try to use the "KISS" method at the start of a problem.
K = Keep
I = It
S = Simple
S = stupid-"That's me"

What can be the problem?? It drives me nuts!! Last trip I kicked for an hour until she finally fired up.

Been there! A ½ hour before the riders meeting, at the Jack pine Enduro this summer. The same thing happened to me. I kicked that ***** for 40 minutes. missed the riders meeting. 10 minutes before my minute. I threw a new plug in, first kick it fires up.
 
again

I'll say it again, asuming that your valves are correct and stator etc etc, take out the plug & either clean it with petrol and a stiff brush and then try it again. I still say your choke jet isnt big enough. You could also try giving it a few pumps first (or have you got a Delorto??). The dealer whom sold me my 550 informed me; when cold starting, pull choke out, pump it 2 times and hit the button, and this is what I do. There is always a different "knack" to starting depending on many different things, carby, where on this earth you live etc etc etc.
 
Sounds like your problem is in the carb.You might want to pull it off and give it a good cleaning first.That would give you a chance to inspect and find out what size jets it has.I cleaned mine back in the summer and there is a little opening that when it gets clogged up makes the bike a pill to start.Make sure all the carb circuits are clear,also check where the choke lever moves up and down{might need a little oil}smooth.Try that first and see what it does.Hope this helps.
 
Hi Proemer,

do it like wildbill said.
Dismantle your carb and you´ll see. The dellorto is really simple.

By the way:
Do you sometimes ride "offroad rit"s in the netherlands?
Now it´s the season for doing something like that.
The last 2 weeks I was on such events and they´re pretty cool.
Next weekend I´m in Lichtenvoorde, but I think that a bit far away from you.

greetings

hribman
 
Hi Hribman,

I ride all the off-road ritten in The Netherlands. Last week I was in Varsseveld (here I had the major starting problems) en sundag I will be at Lichtenvoorde.

I drive a 2002 model 470 enduro and my two buddies both drive Yamaha WR400's. Maybe you'll recocnize me!

Hopefully we'll meet.

Grusse,
Jeroen
 
cold starting

Here in canada where it gets COLDwe have extreme situations,but basically to start an engine in cold weather you need to supply lots of fuel to the combustion chamber.This can be done in a number of ways,changing the carb settings or priming the cylinder are the most practical.When you change the carb settings to ease cold starting you must then live with these changes when the engine is at operating temp and if the engine is responding well after warm up now,then maybe you will want to try installing a primer between the fuel tap and intake manifold.If you can locate a supplier of snowmobile parts they can show you the parts required,as almost all the older sleds with slide carbs or pumpers used these primer start systems.They are crude but very cheap and they always work.A 5w-40w is the stuff for colder weather,there is 0w-40w that I sell but I dont believe it gets that cold where you live that you might need it.I see there a guy that posts here from alberta canada by the name of fryguy,if anyone on the planet has experience on starting cold husabergs it will be him as it gets really cold there.Send him a message,also keep in mind that any aspect of your motor that is not up to standard ,compression ,ign strenth etc is compounded in cold weather ....nsman
 

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