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Offline Jayson Hill

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G450X engine needed
« on: April 18, 2017, 02:59:45 pm »
Hi Guys

Long story short my bike ran dry and so far the top end needs to be replaced, we are not sure how the bottom looks, will know shortly. Will explain later when full report comes back from mechanic.

Any suggestions on where i can start to look to source parts other than the agent?

If anyone has any leads or parts please let me know.

Appreciated,
Jayson
 

Offline zebra - Flying Brick

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Re: G450X engine needed
« Reply #1 on: April 18, 2017, 03:31:12 pm »
I have daily 'automatic push notifications' on both Gumtree and Junk Mail, which then 'pushes' any new ads with the words G450X in it, to my mail box...
you could try and do the same...


and CCM - in England (sorry!) can still sell a CCM/BMW 450 engine, as a spare, it used to be listed on their website, as a service...


...and since they have just DISCONTINUED their 450 engine in favour of a 600cc mill, MAYBE they could help?


Will listen out for you.
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« Last Edit: April 18, 2017, 03:32:01 pm by zebra - Flying Brick »
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Offline Jayson Hill

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Re: G450X engine needed
« Reply #2 on: April 18, 2017, 04:19:20 pm »
Thanks bud, i am actively looking around, will keep at it.
 

Offline KarooKid

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Re: G450X engine needed
« Reply #3 on: April 18, 2017, 07:41:59 pm »
Sho you have had quite a bit of issues with your bike.

Any idea why it ran dry?
Hope is a good thing, maybe the best of things, and no good thing ever dies
 

Offline LanC

Re: G450X engine needed
« Reply #4 on: April 19, 2017, 11:06:15 am »
Ouch, that is not good news. Please tell us the long story. Did it sound any different/rougher just before it ran dry? Did it feel like it was loosing power?
I'm sure you will be checking your fluid (oil/water) levels more regularly in the future. Mine currently does not use any oil but I do an oil change every 300-400km.
Do you know if the top-end was ever changed on the engine before? It is a good sign that the top end needs replacing if you are having to top it up after every ride.
Unfortunately all the ones I've seen selling for parts are because the engine had gone.
 

Offline Omninorm

Re: G450X engine needed
« Reply #5 on: May 02, 2017, 03:07:32 pm »
Ouch, that is not good news. Please tell us the long story. Did it sound any different/rougher just before it ran dry? Did it feel like it was loosing power?
I'm sure you will be checking your fluid (oil/water) levels more regularly in the future. Mine currently does not use any oil but I do an oil change every 300-400km.
Do you know if the top-end was ever changed on the engine before? It is a good sign that the top end needs replacing if you are having to top it up after every ride.
Unfortunately all the ones I've seen selling for parts are because the engine had gone.

Hey guys, Jay is a bit out of town, he is in Moz. I'm sure he can tell you more since i was not on the ride when he picked up that things were off.

We ride together pretty regularly since he bought the bike. I even had a ride on the 450X a few rides back we swapped bikes for a few minutes. I noticed it seemed a bit rougher sounding than my 250 but nothing out of the ordinary. Tbh I thought since the exhaust is quiet one hears the engine a bit more. I'm use to the BMW's sounding a bit tractor like - Had an G650 XChallenge, G650 XCountry, BMW F800GS and currently riding a 1200GS LC. They are never as smooth sounding as Jap bikes in my experience. Nothing at all to indicate no oil or oil draining out.
I smelled petrol from it on one ride...thought it was mine, turned out to be the BMW Jay said.
It never complained and power seemed fine from when I rode it compared to another 450 i rode a while back when I was thinking about buying one. From memory they were about the same.

It's really a bad one. If the engine had no oil in from the get go it's SERIOUSLY impressive since the bike did about 10 rides like that in the sand.




« Last Edit: May 02, 2017, 03:08:37 pm by Omninorm »
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Offline KarooKid

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Re: G450X engine needed
« Reply #6 on: May 03, 2017, 08:50:58 pm »
Should I be concerned if I smelled petrol a ride or so ago?
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Offline Jayson Hill

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Re: G450X engine needed
« Reply #7 on: May 05, 2017, 10:28:00 am »
Hi Chaps

I am 35k into the rebuild so far, we are still not sure what happened.....Will fill you in when its complete.

The fuel smell was a loose clip that i sorted.

I think the failure was human error, not the bikes fault. The fact that i ran like a stabbed rat for so long without oil is a testament to the quality of the motor.

Jay
 

Offline BiG DoM

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Re: G450X engine needed
« Reply #8 on: May 05, 2017, 11:09:14 am »
Hi Chaps

I am 35k into the rebuild so far, we are still not sure what happened.....Will fill you in when its complete.

The fuel smell was a loose clip that i sorted.

I think the failure was human error, not the bikes fault. The fact that i ran like a stabbed rat for so long without oil is a testament to the quality of the motor.

Jay

Are you suggesting the bike never had oil filled after an oil change? Was it completely dry? The oil cannot just disappear - even if an engine is using oil you will know and probably smell it burning it. Who is doing the rebuild - would definitely include bottom end if no oil. You should seriously consider the oil breather mod going forward  as it also allows one to run more oil - closer to how the engine was originally designed.
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Offline Sláinte Mhaith

Re: G450X engine needed
« Reply #9 on: May 05, 2017, 11:15:04 am »
I am 35k into the rebuild so far, we are still not sure what happened.....Will fill you in when its complete.

R35k?  :o Ouch.

Would it not have been worth it to buy another second hand one, transfer the extras you want and sell your bike as parts?
 

Offline Jayson Hill

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Re: G450X engine needed
« Reply #10 on: May 05, 2017, 11:30:57 am »
Ye there are a few unknowns at this point, doubt we will ever find answers to the whole lot......expensive little affair!

I thought about trying to locate a used motor but at least this way i know everything is new again, at this kind of money i need at least that piece of mind.

Rebuild is being done by Claus of Maxwell Trading, he came very highly recommended by a my usual garage that dont work on BMW`s but have looked after my other bikes and a few others.
 

Offline BiG DoM

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Re: G450X engine needed
« Reply #11 on: May 05, 2017, 11:31:31 am »
I am 35k into the rebuild so far, we are still not sure what happened.....Will fill you in when its complete.

R35k?  :o Ouch.

Would it not have been worth it to buy another second hand one, transfer the extras you want and sell your bike as parts?

At R35K I would expect a diagnosis of cause by now  ::)  I am guessing human error otherwise surely fault would have been found eg oil pump, no drain plug, blocked filter  :o
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Offline Jayson Hill

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Re: G450X engine needed
« Reply #12 on: May 05, 2017, 11:48:40 am »
Ye human error is our guess aswell

The parts from BMW and stupidly expensive......thats obviously the major expense so far.
 

Offline Omninorm

Re: G450X engine needed
« Reply #13 on: May 05, 2017, 02:46:57 pm »
Ye human error is our guess aswell

The parts from BMW and stupidly expensive......thats obviously the major expense so far.

I would just make 100% sure nothing caused the no oil situation other than human error. I mean it's almost unbelievable  that the previous owner could do a full service and then forget to put oil in.
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Offline sidetrack

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Re: G450X engine needed
« Reply #14 on: May 05, 2017, 02:51:43 pm »
And why was the oil level not checked ? On a 450 I'd do it after every ride even during a ride. Is it via a dipstick or sight window ?
« Last Edit: May 05, 2017, 02:52:25 pm by sidetrack »
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Offline BiG DoM

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Re: G450X engine needed
« Reply #15 on: May 05, 2017, 03:16:11 pm »
And why was the oil level not checked ? On a 450 I'd do it after every ride even during a ride. Is it via a dipstick or sight window ?

Oil sight glass like other BMW's.

From Owners Manual:

Checking engine oil level
Check the engine oil once
every hour, if possible.
The engine can seize if the
oil level is low, and this can
lead to accidents.
Always make sure that the oil
level is correct.
The oil level varies with the
temperature of the oil. The
higher the temperature, the higher
the level of oil in the sump.
Checking the oil level with the
engine cold or after no more than
a short ride will lead to misinterpretation;
this in turn, means that
the engine will be operated with
the incorrect quantity of oil.
In order to ensure that the engine
oil level is read correctly,
check the oil level only after a
lengthy trip.
Allow the engine to idle until
the fan starts up, then allow it
to idle one minute longer.
Switch off the engine.
Make sure the engine is at operating
temperature and hold
the motorcycle upright.

(Admittedly the hourly check is for competition use as are recommended engine topend rebuilds etc).
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Offline Omninorm

Re: G450X engine needed
« Reply #16 on: May 05, 2017, 03:35:29 pm »
Having seen this, I wont hesitate to reccomend this bike to anyone. Goes well, light for a 450. On the road stock, electric start, different power modes. So low power wil increase longevity. I would also maybe put some stiffer/progressive springs up front.
10 or so rides in the sand 2 trips up the west coast with no oil and still kept going. That should be a testament to the toughness imho.
The only negative i can see with it is that there is no Kickstart as backup.

« Last Edit: May 05, 2017, 03:37:17 pm by Omninorm »
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Offline KarooKid

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Re: G450X engine needed
« Reply #17 on: May 05, 2017, 08:42:47 pm »
I hit a massive hole at speed last night. The suspension is not as bad as people say.

I agree. For the price and my ability this bike meets all my needs.

R35k for repairs - that is a new second hand bike
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Offline katana

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Re: G450X engine needed
« Reply #18 on: May 05, 2017, 09:31:06 pm »
Ye there are a few unknowns at this point, doubt we will ever find answers to the whole lot......expensive little affair!

I thought about trying to locate a used motor but at least this way i know everything is new again, at this kind of money i need at least that piece of mind.

Rebuild is being done by Claus of Maxwell Trading, he came very highly recommended by a my usual garage that dont work on BMW`s but have looked after my other bikes and a few others.

Edited...
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Offline Omninorm

Re: G450X engine needed
« Reply #19 on: May 06, 2017, 12:03:58 am »
I hit a massive hole at speed last night. The suspension is not as bad as people say.

I agree. For the price and my ability this bike meets all my needs.

R35k for repairs - that is a new second hand bike

And maybe another host of issues. At least now he knows everything is sorted as new.
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