choke and stuff

kingrollo · L Plate Warrior Joined: 22 Feb 2006 Karma :

After years of riding twist and go bikes, i got a proper bike as people tell me. Got a yamaha tw125. Yes, the thing with the silly big back wheel. However, it's got a choke. Being new to this concept and about as technically minded as a spoon, i was wondering when i should use it. How long i should leave it on?Push it back in when i set off? What? Ta ....

Steve - RS125 · Spanner Monkey Joined: 05 Mar 2006 Karma :

You should use your choke pretty much every time you start your bike for the first time that day.

Each bike vari's on my RS125 I leave the choke on for about 30 seconds, then drop it to half of the choke for a minute or 2 then off completely. After I have turned the choke off i give it a good rev up to about 6/7000 rpm to clear the throat so to speak.

I would advise you spend a little while getting used to your engine sounds on a morning, start it using the choke, then when you hear the engine over revving you have left the choke on too long so you need to work out a point good for the bike inbetween starting it and that point!

It also depends on how cold it is, when its blooming freezing and middle of winter etc then I have been known to spend 20 minutes warming my engine, with the choke been on for 5 minutes +

stinkwheel · Bovine Proctologist Joined: 12 Jul 2004 Karma :

Put the choke on fully and start the bike. I usually then ride off, knocking the choke off a hundred yards or so down the road. Take it easy with the throttle for the first five minutes or so until the engine has warmed up properly.
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Stevie GooGs · World Chat Champion Joined: 28 Oct 2005 Karma :

I use the choke to start the bike if it cuts out without the choke being used, let it idle for a couple of minutes then choke off and make sure the bike runs fine without it being on. I don't think you will do any physical damage if you leave it on by accident but your fuel will disappear quicker.
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hellkat · Super Spammer Joined: 12 Jul 2004 Karma :

Whosthedaddy · Super Spammer Joined: 11 Dec 2005 Karma :

You'll learn after a few times Thumbs Up

Like everybody has already said, use the choke on full when starting from cold. The amount needed to start the bike during the summer or after a run will vary.

My ZXR revs to 4000rpm on full choke, after a minute it drops to 2000rpm and ready to ride. Just before I ride, I make sure that the throttle responds when blipped, knock of the remianing choke when down the road and riding steadily.