Left Hand Side Engine Case Exploded on Highway

[~TABASCO~]

When looking at replacements know that there are differences between the first and second generations. I believe they’re interchangeable but there are several improvements to the 2nd gen engine. Different pistons and rings, CCT, clutch basket and additional changes to the cylinder head (not sure the details here though). I think the pistons and rings were updated to address an oil consumption issue on some 1st gen bikes. The 2nd gen engine makes a few more horsepower too.


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Yes....... They are interchangeable, except for the oil or water temp sensor in the back of the motor...... That has to be swapped out............ Yes the second Gen has the upgraded parts installed and will work in the first Gen (just the sensor difference / I forgot what that sensor was for)

I believe the HP was 2-3 and that was mostly due to ECU maps changes / updates and work arounds Yamaha cut out.............

 

[thompn]

That is good information thanks @~TABASCO~ and @WJBertrand for pointing that out! My model was built in late 2014 and initially sold in 2015 I believe, that would make it a gen 2 correct? So I'll look to replace with an engine of the same or later year in that case. Cheers for that
Nick

 

[~TABASCO~]

That is good information thanks @~TABASCO~ and @WJBertrand for pointing that out! My model was built in late 2014 and initially sold in 2015 I believe, that would make it a gen 2 correct? So I'll look to replace with an engine of the same or later year in that case. Cheers for that
Nick

Yes, any second Gen will work with no issue....


Ive already changed an engine in the Tenere. It's pretty easy to do, there are a few little sticking points.... The biggest issue is that motor is HEAVY..... Buts its pretty easy to change...

 

[Sierra1]

. . . . My model was built in late 2014 and initially sold in 2015 I believe, that would make it a gen 2 correct? . . . .

If it has factory cruise control, it's a Gen 2.

 

[Jlq1969]

It seems to me that the only thing that could lift the rear contra-rotating axle... is that the crankpin hits one of the counterweights of the balancer... ..if a connecting rod main screw is cut...... the other one does not hold, it will starts to bend….and the connecting rod cap hits the balancer weight

 

[bimota]

That is good information thanks @~TABASCO~ and @WJBertrand for pointing that out! My model was built in late 2014 and initially sold in 2015 I believe, that would make it a gen 2 correct? So I'll look to replace with an engine of the same or later year in that case. Cheers for that
Nick

if your clocks look like the one below its a gen 2

Yamaha XT1200ZE Super Tenere 2014 - 2019 Meter, Speedo, Clock Upper Case, Cover | eBay

Every effort has been made to correctly ascertain the machine that the part is from; however, we are only human and obviously appreciate any input from those who may know better! As such, this part is sold as seen: to be very clear it is sold with the proviso that ‘what you see is what you get’...

www.ebay.co.uk

if your clocks are like these below you have a gen1

Speedo clocks instrument YAMAHA XT 1200 Z SUPER TENERE | eBay

Model: XT 1200 Z SUPER TENERE. Make: YAMAHA.

www.ebay.co.uk

rob

 

[Checkswrecks]

Glad you are OK in that the rear wheel didn't lock up! Also glad that engines are available.

The broken bearing journal is the end of the balancer shaft and the bearing has been displaced straight up and slightly to the right. All the balancer shaft does is to spin two weighted lobes, it doesn't have power coming in on one gear and out to another. Those balancer weights rotate between the two big counterweights on the crankshaft. The vertical movement implies something got beneath (probably) the left balancer weight. Further, the balancer appears to be shifted right, away from the camera.

If you lift the starter and look closer you may be able to see a mark on the back of one of the crank counterweights. If so, the question is why the balancer moved right (or initially left?) enough to hit the crank c'wt?

Another possibility is that we are looking at the victim, not the cause. You'd get the same result if something came forward from aft of the balancer shaft. Broken internal wall? Something from the transmission?

 

[OldRider]

I think Checkswrecks got it right. It looks like something came apart and pushed the end of the cb shaft up.

 

[~TABASCO~]

All I know is that was a hell of a BANG !

 

[thompn]

Hey all, got some well needed rest and then dealt with some admin relating to getting the bike home, now I have some time to sit and ponder some more.

Thanks to everyone for the pointers and information enclosed in this thread until now, super helpful.

I'll be getting the bike back in around 2 weeks, so will hopefully have some time after that to get into the engine and have a look. I'm also discussing with Yamaha about them looking at it, as I honestly do believe that this should not have happened and could be some kind of production defect or material failure - I just don't want to have to pay out a fortune for them to say "yes the engine is broken, you owe us lots of money and we aren't going to fix it" when I can pull it apart myself for free. Let's see what happens there.

I was wondering about that bearing but didn't know what it was attached to as it's quite weird to only look at it from a very limited angle. Good to know it's the balancer shaft. One of my first initial assumptions was maybe the bearing seized or failed and that sent the shaft it's connected to outwards and the forces cracked the casing which led to a cascading series of failures resulting in what we see ultimately. Good theory that something got in the way and forced that end upwards probably destroying the casing.

I guess that could have forced everything upwards, which resulted in the starter damper gear disappearing outwards, the whole casing being destroyed and the starter motor being completely loose on top of the engine (which it currently is - all the bolts were snapped/sheared/forced out).

Second question - I'm looking for a replacement engine, everything available that I can find in a reasonable location to where I live is a Gen 1 engine. Will this make any substantial difference or is it just the case of swapping a few sensors over? Here is one that I found local to me. I've also seen similar options in the UK which isn't ideal but could be an idea if I can get some way of moving it between there and The Netherlands.

Cheers all,
Nick

 

[bimota]

isn,t that one i gave you in the link on page 1 in Holland at 1700 euro a better buy than your link of 2000 euro and less mileage

rob

 

[bimota]

another i know uk

Yamaha XT1200ZE Super Tenere 2014 engine test run (10579) | eBay

Find many great new & used options and get the best deals for Yamaha XT1200ZE Super Tenere 2014 engine test run (10579) at the best online prices at eBay! Free delivery for many products.

www.ebay.co.uk

rob

 

[thompn]

isn,t that one i gave you in the link on page 1 in Holland at 1700 euro a better buy than your link of 2000 euro and less mileage

rob

Must have missed that, Rob! I was on several trains and on my phone yesterday, or I just completely forgot about it. Nice one.
I'm compiling a list of all the ones I can find online so I'll add both of these. Cheers

 

[bimota]

motore yamaha xt 1200 z super tenerè 1200 km 25.000 engine motor moteur | eBay

KM PERCORSI 25.000. YAMAHA SUPER TENERE 1200. SPECIFICA RICAMBIO MOTORE. non si accettano reclami relativi a normali segni di usura dei ricambi.

www.ebay.co.uk

 

[bimota]

Must have missed that, Rob! I was on several trains and on my phone yesterday, or I just completely forgot about it. Nice one.
I'm compiling a list of all the ones I can find online so I'll add both of these. Cheers

yer that one in holland is clean to nice condition

rob

 

[bimota]

xt1200 engine complete for sale | eBay

Find great deals on eBay for xt1200 engine complete. Shop with confidence.

www.ebay.co.uk

 

[thompn]

isn,t that one i gave you in the link on page 1 in Holland at 1700 euro a better buy than your link of 2000 euro and less mileage

rob

Weirdly enough this engine is being sold by the same vendor, and for cheaper on their website. Ebay says 1740, and here it's listed for 1400. Pretty sure it's the same block. Weird
I'll give them a call tomorrow or Monday and see what we can do.

 

[Checkswrecks]

... I'm also discussing with Yamaha about them looking at it, as I honestly do believe that this should not have happened and could be some kind of production defect or material failure - I just don't want to have to pay out a fortune for them to say "yes the engine is broken, you owe us lots of money and we aren't going to fix it" when I can pull it apart myself for free. Let's see what happens there.
...

I wouldn't expect anything at all from Yamaha. From their perspective it's an 8 year old machine that has been out of warranty for a long long time, and has a totally unknown life & service record.

On the upside, when you start to look closer this one probably is not going to take much rocket science to figure out. If nothing else, post up photos of where you find that rotating parts came together.
Again, I'm kinda wondering if the c'balancer shaft didn't first somehow slide slightly to the right, causing a lobe to strike the crankshaft c'balance weight.

 

[thompn]

Well it's worth a try even though I know it's gonna be me myself and I ultimately sorting it out. I just feel like the engine should have lasted longer than it did. Unlucky for me I suppose.

I'll definitely be checking either way and we'll be able to see if and what is causing this. I'll post plenty of photos here as I know you guys will be able to help me get to the bottom of it eventually.

 

[~TABASCO~]

Hey all, got some well needed rest and then dealt with some admin relating to getting the bike home, now I have some time to sit and ponder some more.

Thanks to everyone for the pointers and information enclosed in this thread until now, super helpful.

I'll be getting the bike back in around 2 weeks, so will hopefully have some time after that to get into the engine and have a look. I'm also discussing with Yamaha about them looking at it, as I honestly do believe that this should not have happened and could be some kind of production defect or material failure - I just don't want to have to pay out a fortune for them to say "yes the engine is broken, you owe us lots of money and we aren't going to fix it" when I can pull it apart myself for free. Let's see what happens there.

I was wondering about that bearing but didn't know what it was attached to as it's quite weird to only look at it from a very limited angle. Good to know it's the balancer shaft. One of my first initial assumptions was maybe the bearing seized or failed and that sent the shaft it's connected to outwards and the forces cracked the casing which led to a cascading series of failures resulting in what we see ultimately. Good theory that something got in the way and forced that end upwards probably destroying the casing.

I guess that could have forced everything upwards, which resulted in the starter damper gear disappearing outwards, the whole casing being destroyed and the starter motor being completely loose on top of the engine (which it currently is - all the bolts were snapped/sheared/forced out).

Second question - I'm looking for a replacement engine, everything available that I can find in a reasonable location to where I live is a Gen 1 engine. Will this make any substantial difference or is it just the case of swapping a few sensors over? Here is one that I found local to me. I've also seen similar options in the UK which isn't ideal but could be an idea if I can get some way of moving it between there and The Netherlands.

Cheers all,
Nick

I wanted to share this info because I have seen this myself and it might possibly help...... The numbers I throw around are only a simple example, but the end result is 100% true because Ive done it before........ In this case you might find an engine for 1700 - 2000................ If you look and poke around you might find a totaled bike for 500-600 with the engine. The whole crashed bike can be found for less than the engine alone...... I guess they can make the motor look better than a crashed out bike, and make more money. IMOP, I think buying the totaled bike is much better not only because it cost so much less, but I was able to see, was it only damaged in the front or where the damage actually was located? Was it damaged in the rear ? And so on...... This is really important so you dont buy a motor that has other internal issues.................... "from the original crash"

Short story, I had a guy that had a rod bearing go out on a Tenere. He found and bought a salvage Tenere motor. The motor looked virtually "brand new". He had me swap the two motors and I did this work. When we got the 'new motor' installed it started right up and and road around the block just fine....... Come to find out, this 'second hand motor' was in a crash originally. Thats how this motor became a salvage motor. What we did not know at the time was during the original accident the bike must have swung around at speed and with an accelerated rate and had some type of reverse load shocked through the rear end and drive shaft. I cant remember if it was third gear or fourth gear had teeth knock off of the gear or the dog paws were sheered off between 4-5. But somewhere up near 4-5 gear is sounded like a bucket of bolts and would not have drive on one of those gears......... Major transmission issues and destruction that must have happened in the original accident...... (The owner and the guy who sold him this second hand motor worked things out with this second motor among themselves and I was not involved)

So, not only saving money but being able to see what type of "crash" happened might be a very good thing so you dont get your 'new' motor and something similar happens not knowing the damage from the original crash...........

Let us know if we can help........