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Redponcho
Posted on Friday, March 16, 2007 - 11:26 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

A buddy of mine and I were having a discussion if you can push start a fuel injected bike? I have never tried and I was just wondering if the stator voltage is enough to excite the fuel injection system?
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Blackbelt
Posted on Friday, March 16, 2007 - 11:35 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I have push started my X1... so YUP... lol
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Kdan
Posted on Friday, March 16, 2007 - 11:56 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I've push started my XB. My Stator was going and my battery was dying. Dunno how, but it worked, ran like crap, but got me home.
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Djkaplan
Posted on Friday, March 16, 2007 - 11:56 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I could not push a Fatboy with a very dead battery fast enough on level ground to get the FI pump working. It seems like you'd have to push any FI bike (with a dead battery) pretty fast (or need a hill to coast down) before the stator would generate enough juice to get the fuel pump, ignition (not to mention the lights which you can't turn off) working.

Blackbelt... did your X1 have a slight charge on the battery already? A weak battery that can't turn an engine over will probably have more than enough juice to get the fuel pump working for an easy bump-start.

You can, however, get an M2 (carbed!) bump-started with a dead battery in half a revolution.
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Naustin
Posted on Friday, March 16, 2007 - 12:16 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

That's a solid maybe!
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Redponcho
Posted on Friday, March 16, 2007 - 12:18 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Good to know I hope I never have to try it!
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No_rice
Posted on Friday, March 16, 2007 - 12:57 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

yes, you can start an xb with a completely dead battery. you will need to have plenty of energy, a few friends or a good hill. it's not the easiest thing to accomplish.
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Howieshotrods
Posted on Friday, March 16, 2007 - 01:54 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Have to agree with the partially charged battery. I push started my FI RoadGlide by myself a few times one trip when my stator went out on me. It has a voltage gauge so I could see it had some charge, but the starter wouldn't go, guess the key is to have enough battery to fire injectors and coils.
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Fusa21
Posted on Friday, March 16, 2007 - 07:31 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Our racebike XBs have been started often without a starter motor using a 'bump' start. It is often hard to get 3.5" pistons to move, but it's possible... Friends are definitely a bonus when pushing. Using a higher gear is a plus also, try 3rd or higher.
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Surf_boy
Posted on Friday, March 16, 2007 - 09:39 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

2000 X1....Not a friggin' chance.

I'm 6' 2"/190, athlete, and I run it hard DOWN a slight slope, hit second, and about rear-wheelie with the compression.
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Slaughter
Posted on Friday, March 16, 2007 - 09:54 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

We've had to bump start them. Helps also to back the motor up against compression. Lets the motor start turning just a wee bit before it comes up against compression
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Justin_case
Posted on Friday, March 16, 2007 - 10:36 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The higher the gear you use, the easier the motor will turn.
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Altima02
Posted on Friday, March 16, 2007 - 10:50 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

^No, just less movement for distance the wheel travels. I've pushed my XB and got it started, thought the battery was no completely dead. I've heard its best to push start in 2nd gear, but I still say first is the best choice.
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Mbsween
Posted on Saturday, March 17, 2007 - 12:37 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I've bump started the (2001) x1 after leaving the light on for 8 hrs, meaning a really dead battery, not even enough juice to light the idiot lights.

Remember to get all switches in the right place before starting your "run" or you'll be getting your exercise. Really helps if you can find 2nd or 3rd. You don't have a prayer in 1st, unless you're really heavy : ) Parking uphill is always a good thing!
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Tom_b
Posted on Saturday, March 17, 2007 - 08:57 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Good luck trying to push start any v twin motorcycle in 1st gear. Second gear can be a challenge for most people. The back tire just wants to slide or if your a weakling th bike just stops moving. I have pushed my x-1 twice. once it worked, once it didn't. Both times were by myself and I had it 3rd gear and on a slight hill. What a work out, one of the hardest bikes i've owned to push start or I'm just getting old.
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Djkaplan
Posted on Monday, March 19, 2007 - 01:10 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

You can push start almost anything, even cars with automatic transmissions... if you get them going fast enough (BTW, don't try and push start an automatic car; it won't start until you're going about 50mph and I don't think it's good for the transmission - that point was moot with a $75 Monte Carlo, though).

You'll have to be one hell of man to push a dead FI Fatboy back to life by yourself on level ground. More manly than me, at least.
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