bump starting

[highland biker]

Probably a noob question but how successful will i be at bump starting my 4xv after its been sat in a shed for 5 months without any sort of trickle charger?

done it before on previous bikes but they had only been sat for a week max
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past: klx 250, cbr125, SRAD 600, cbr600rr
present: uber practial r1 for the daily commute

[M.C]

It'll bump start, depends whether or not the battery's f**ked.

[Rogerborg]

Oops, I read that as 4x4 and reflexively Off Topic'd. My bad. [frantically rates other posts]

Carbed, right? It should bump, although I'd prefer to roll it downhill or have someone else push it rather than try to jump aboard. A charger or jumper cables are cheaper than replacing fairings.

But do you reckon the battery is dead? Workmate leaves his Bandit outside over winter and it fires on the button every spring. It's like a cockroach, it just won't die.
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Biking is 1/20th as dangerous as horse riding.
GONE: HN125-8, LF-250B, GPz 305, GPZ 500S, Burgman 400 // RIDING: F650GS (800 twin), Royal Enfield Bullet Electra 500 AVL, Ninja 250R because racebike

[The Tot]

Have you got access to a multimeter? I've managed to bump start my 4C8 when it was reading 11.8V across the terminals. Horn would still sound loudly but wouldn't crank up. Wouldn't hurt to give it a try, but a small decline would help you get to 10mph.
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The Tot 2019 Z1000SX - 2007 R1
Never argue with autism

[M.C]

Took 3 attempts on a fairly steep hill to get my MT-03 going, then the battery wouldn't hold a charge (although it had been sat for ages). Honestly I'd just take the battery off & try charging it/get a new one if you need to. Bump starting a bike's dodgy, people have killed themselves doing it

[Tdibs]

Cheaper to get a multimeter and a charger than drop that imo.
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Previous : 09 Vanvan 125| 02' Sv650s || Current: 1999 Xj600n | 1992 DR650 RSE | 2005 Fazer 1000

[Beehive Bedlam]

Bump it in 2nd. It is easy.

[Wafer_Thin_Ham]

Might as well try bumping. Just find a friend or a hill.
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[The Tot]

I was going to say, as with the above

Make sure you have your choke on. I was kicking myself when my XR125 would fire up after 2 attempts on a hill. Then flicked the choke on and it fired into life

Use 2nd gear instead of 1st. Less likely to lock the back wheel up when you disengage your clutch.

Compared to singles and twins, IL4s don't have serious amounts of compression that would make it difficult to bump, so M.C. that would be why your bike took 3 attempts (battery condition permitting).
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The Tot 2019 Z1000SX - 2007 R1
Never argue with autism

[SQL]

the mt was a prick to bump, easier in third then clutch in and keep the revs up

[Wonko The Sane]

[Piercee100]

I was helping a young lad at work try and bump start his Triumph one day after he left his lights on. Nearly killed me, an hour of pushing it round our yard. The combination of a fuel pump that wouldn't prime and an immobiliser that wouldn't deactivate was a real pain. Ended up pushing it out to the road, cutting the power lead off an old tv to fashion some jump leads and then jumping from my wife's chinky scooter.

Started first try with a jump. Got something you can jump it off?
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Rides: Honda H100a (Retired), VT500e (Sold), Kawasaki ZX400 (sold), Kawasaki GT550 (Sold), Suzuki Inazuma (Daily), Honda CD185t (Broken), LML Star 2t (Last run edition).

[MCN]

If the battery has enough Volts it will bump.
(If the fuel system and get the correct amount of fuel to the combustion space.)
5 months is not critical to a good battery. But may be bad if the battery is/was in poor condition prior to storing the beast.

You can only fail or win.
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Disclaimer: The comments above may be predicted text and not necessarily the opinion of MCN.