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Dropping out an engineExpand / Collapse
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Posted 27 August 2008 17:35


I don't really have an afro

I don't really have an afro

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Still not sure if I'm keeping my R1 or not, but if I do, I've been thinking about dropping the engine out to get some work done on it.

I've already stripped the bike down to just the frame, suspension and wheels, but I still need to drain the engine oil, coolant, remove the throttle bodies and the rest of the exhaust system (headers).

So when I've done this...(this is when I'll need advice).

Would it be best to get two jacks under the engine, each with a flat section of wood jacked up to the engine to support it?  Like a jack at the front of the engine and one at the rear?

Also, in what fashsion do I unscrew the bolts?  Do I work from the front to back in a criss cross fashion undoing a bolt about half way before moving to the next?

Any general advice appreciated.

Thanks.




Mr. Undecided

Post #425643
Posted 27 August 2008 17:58


London Biker

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I can't comment on specifically the R1 Afro but will just mention a couple of things I've learnt along the way by my mistakes
  • Take plenty of pictures on a digital camera to make cable and pipe routing easer on reassembly.
  • Make sure the R1 doesn't need a special castelated socket for some of the engine bolts.
  • Don't try and take the engine out yourself. Its better with an extra pair of hands.
  • Check and double check there is no wiring or pipes left connecting the engine to the chassis.
  • I prefer a trolly jack to static jacks as it gives you a bit of flexibility.

If you are in no hurry I'd be happy to lend you a hand when i get back from me hols

Post #425651
Posted 27 August 2008 18:04


London Biker

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I would say its easyest as a 2 man job afro...

but can be done on your own, i got the lump out of my 750 and back in on my own.

im not shure what the shape of the sump is on your R1 but my gixer makes it hard to jack.

sick the jack under it and start at the front, lossen all the engine mounts but dont take them out.

there should be some long bolts that go right threw the motor at the back, take the nuts off but dont push them out.

once its on the jack take the front bolts out, take the top rear long bolt out.

you can lower the jack at this point on my bike, the engine just pivots on the lower rear bolt.

this is where a second pair of hands in errr handy..

it can be a pain getting that last bolt out as theres weight on it.

you can jack it just a bit to take the weight off and get the bolt out.

if you need a hand let me know when your ready aan ill come and help you.



Need a bike droping off or picking up or anything else for that matter?

I have a van, drop me a PM

Mobile servicing and repairs
Post #425655
Posted 27 August 2008 18:05


I don't really have an afro

I don't really have an afro

Group: Moderators
Last Login: Today @ 18:55
Posts: 5,250, Visits: 4,227
ChunkyMonkey (27/08/2008)
I can't comment on specifically the R1 Afro but will just mention a couple of things I've learnt along the way by my mistakes
  • Take plenty of pictures on a digital camera to make cable and pipe routing easer on reassembly.
  • Make sure the R1 doesn't need a special castelated socket for some of the engine bolts.
  • Don't try and take the engine out yourself.
  • Check and double check there is no wiring or pipes left connecting the engine to the chassis.
  • I prefer a trolly jack to static jacks as it gives you a bit of flexibility.

If you are in no hurry I'd be happy to lend you a hand when i get back from me hols

Cheers mate that would be ace to have an experienced hand to guide me round the job.

How long does a job like this take?

Cheers.




Mr. Undecided

Post #425656
Posted 27 August 2008 18:07


I don't really have an afro

I don't really have an afro

Group: Moderators
Last Login: Today @ 18:55
Posts: 5,250, Visits: 4,227
Adz (27/08/2008)
I would say its easyest as a 2 man job afro...

but can be done on your own, i got the lump out of my 750 and back in on my own.

im not shure what the shape of the sump is on your R1 but my gixer makes it hard to jack.

sick the jack under it and start at the front, lossen all the engine mounts but dont take them out.

there should be some long bolts that go right threw the motor at the back, take the nuts off but dont push them out.

once its on the jack take the front bolts out, take the top rear long bolt out.

you can lower the jack at this point on my bike, the engine just pivots on the lower rear bolt.

this is where a second pair of hands in errr handy..

it can be a pain getting that last bolt out as theres weight on it.

you can jack it just a bit to take the weight off and get the bolt out.

if you need a hand let me know when your ready aan ill come and help you.

Ha..Ha...Another one.

I'll just get you two down and supply the beers and food...Only joking.

Thanks also mate.




Mr. Undecided

Post #425658
Posted 27 August 2008 18:17


London Biker

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dont thank me i love taking bikes to bits!!!

specially if i dont have to put um back together again!!!!



Need a bike droping off or picking up or anything else for that matter?

I have a van, drop me a PM

Mobile servicing and repairs
Post #425660
Posted 27 August 2008 18:21


Rush Hour Racer

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you may find the easiest way as your stripping the whole bike down is to remove the forks and inc front wheel , you can then lower the engine down to the ground , chock it so it's held upright and then remove the frame off the engine like a wheel barrow using the rear wheel

that the way i do it as the engine is a lot heavier than the frame and once you disconect the cables and wiring from the frame you can leave them on the engine , inc the throttle bodies

it's a lot easier to put back like this too as it saves trying to lift the engine in place while at the same time fitting the bolts

 

There you go, man, keep as cool as you can,
Face piles
Of trials
With smiles.
It riles them to believe that you perceive the web they weave
And keep on thinking free.

Post #425662
Posted 28 August 2008 11:03


Learner

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keith-17 (27/08/2008)
you may find the easiest way as your stripping the whole bike down is to remove the forks and inc front wheel , you can then lower the engine down to the ground , chock it so it's held upright and then remove the frame off the engine like a wheel barrow using the rear wheel

that the way i do it as the engine is a lot heavier than the frame and once you disconect the cables and wiring from the frame you can leave them on the engine , inc the throttle bodies

it's a lot easier to put back like this too as it saves trying to lift the engine in place while at the same time fitting the bolts

 

That's a pretty good idea!  Alternatively you could get / hire a car gearbox cradle and put it on your jack (as long as its got a removable cup).  This will then support the engine reasonably well and allow you to drop it out single handedly.

Post #426000
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