Street Scrambler Cold Startup Problem

Take it back to the dealers, sounds like its "not fit for purpose".
Suggest they fit the booster plug to resolve??

 

That's not right - my 6 year old Bonnie had no trouble starting yesterday and certainly does not "splutter" up the road.
You should not need to fit a booster plug to rectify anything and if Triumph are telling you to then that to me is an admission that something is wrong and needs to be fixed!

 

Have dealer tried throttle body balancing?

 

I usually leave it running on the second stage of the "choke" while I put helmet and gloves on - that should be long enough.

 

Good old Euro 4 weak mix!

 

What petrol are you using? Maybe try another brand if you fill up at the same place most of the time. btw I have a Street Twin and often use the Scrambler from work, and ride out with guys on various from the 900 range, and haven't had any cold starting problems.

 

Get it Dyno tuned !! Did my 2009 America, when it had 7,000 odd klms on it, I didn't need to use cold choke start unless it was really cold and it ran fine after only 30 to 60 seconds of running, the same is true now I have 905cc big bore kit and had it Re-tuned on Dyno last week. To suit the new setup.

Cheers capt

 

When you try to start the bike (when you're turning the engine over) do you touch the throttle at all ?

 

Same here on the old Bonnie SE, but with the modern bikes I just switch on, press the starter, no throttle, and leave it running while I put my helmet on, then usually sit on the bike so its upright while a put on my gloves - so about three minutes warm up I guess.

 

C'mon DD, nobody would admit to not pulling the knob (sorry fuel enrichment device) prior to a cold start???? Would they????

 

The cold start control had no effect on fuelling, it just increases tickover in 2 stages.

 

More fuel = Faster revs........ maybe, don't know.
Put petrol in. It goes!

 

I agree DD!
Since reflashing my Bonneville with a Triumph Twin Power tune, it will now start without using the choke/fuel enrichment device whatsoever , but I couldn't pull away without it being on for a moment to give it a bit more fuel.

 

Just a bit of advice here, be sure to check all your grounds as well as the electrical connections. Be sure to start at the battery. After all, it's free advice. Good luck.

 

@robertcaste

Hi Robert. Did you get a resolution? I have just bought a 2016 Scrambler 900 and I’m having the same issue. Bike starts fine, I let it warm up for a couple of minutes, then when I ride off most of the time it splutters and struggles for maybe 5 minutes before running perfectly normally. I replaced the spark plugs but it hasn’t made any difference. Any input
/advice would be much appreciated. Many thanks