Wouldn’t you rather buy your motorcycle from a qualified motorcycle technician with decades of experience as opposed to a salesman with little to no mechanical knowledge?
Wouldn’t you also get comfort in knowing that once you purchase your new motorcycle it can have all its needs taken care of by the same team?
If your answer is yes, then you just need to
“Enjoy The Ride. Doncaster Motorcycles Will Take Care Of The Rest.”
Owned these, know plenty who do and have never seen that or heard of it. I suspected QS but thats what the cush drive is made to stop (well partly so anyway), it absorbs heavy shockloads. Got to be a material defect. I wouldve contacted Triumph myself, see if they had a faulty batch.
Bad design. Those triangular cush teeth should be of a square shape instead so they won't want to push the aluminum outwards. Same exact thing happens on most electric chainsaws because of the triangular teeth that are set inside a plastic injection moulded sprocket hub.
I had a bearing failure on my 06 Tiger 955i that took out the sprocket holder, when I took it apart, the cush drive was similar to the 1st, broken, part with the press fit splined section, so that's something that's been around for some time. Probably just exceeding the torque and weight limits through the evolution of the 955/1050/1215 engine bike family. Thanks for the vid.
Its a design flaw the centre part which is cast into the alluminium cush drive has all its drive through a star like shape which when under power is trying to expand the alluminium part that broke, the centre part would of been better having square shaped fingers sticking out that is cast into it that way the force is pushing on the alluminium not trying to expand it
Good advice for owners to strip down , clean & regrease on a regular basis, depending on the use & conditions the bike is ridden. These sleeves,bushes & seals are not cheap to buy.
Looking good - nice solution! Just found (& subscribed) to your channel and watched a few of your videos. Can I make a couple of suggestions for your channel? On your videos with both music and voice overs, can you record with a lower music sound level? When the playback volume is set to hear your voiceovers ok, when the music cuts in, it's a bit too loud for comfort, so I'm constantly adjusting the playback volume. Also, you might want to rethink/mix up your background music choice a bit. Your existing sound track (that seems to be played on ALL of your vids) is a bit tedious. I dont mind metal at all but, even for me, the music is a bit heavy. I know music is a bit of a personal choice thing but, your channel is a great showcase for your business, & it might be a good to find something a bit more neutral/background. In fact it would be nice if your videos had more of you talking (about what you're doing/& how) and less music. You are a fantastic presenter and your vids are great - however, I also appreciate that you are a working bike shop and probably don't have the time. Thanks for the great content.👍👍👍
I love the feedback thank you very much, this whole RU-vid thing is very much of a learning curve and I have much much much to learn which is all part of the fun and its people like you that give me fantastic feednback like this and food for thought. Totally open to suggestions on how im doing things with the music and VoiceOver and everything really including even equipment to help up my game. You can always DM me on the socials too if you'd prefer @Drtepi or @DoncasterMotorcycles
Look at the chain gear, 6:59. The wear on the tyre side is clear and well defined, it's not the same around that sprocket. Some higher, at the point your left index finger is behind the sprocket, compared to the area above your right index, than others. So the chain is moving as if tighter on part of the sprocket. Chain is not running straight. I would measure the rear axle run out, on both sides, without the carrier. Then measure with carrier, but without chain.
Typical Triumph some bits are great some would disgrace a Chinese Kids Bicycle, Always find them well overpriced for the actual Quality of the Machines.
I'd see about a whole swingarm replacement. Get rid of that single sided junk. And use a conventional twin beam set up. And get rid of that crush drive system.
I think you should have described the procedure in a bit more detail to stop the uninitiated getting themselves in a total mess. Balance 1&2 together, then 3&4 together (or the other way round, it doesn't matter), then balance both pairs together with the middle screw. I always give them a little blip when I think I've got them right too as the pressure of the screwdriver can slightly unseat the slides off the stop and give you a false reading. Like the modern tool, I'm still on Davida needle gauges which are not nearly so easy to work with (but I am an old fart 😂) but you're right, you know when you're spot on because the engine suddenly sounds sweet.
Seen this before on these. Burn outs, dumping the clutch causing fractures and letting go at a later data. Look for the tell tale bits of rubber on swing arm and rear end.
Agree. The rear tire looks very recent/new, and I imagine the previous tire, the one that was replaced, most likely was very 'squared off'/worn in the centre due to, as you mentioned, the excessive clutch dumping and burn outs...or maybe even incorrectly torqued axle nut after the tire was replaced.
That cush centre is way under-engineered. It does not fail on every Speed Triple by some miracle. Pretty lame interference design between the splined part and the aluminum centre.
Bad casting. Looks brittle, largish crystals visible where it fractured. Considering torque and loading of this component cast aluminium is not optimal.
Hamfisted wheelie attempt, big pothole, whoever fitted new rear tyre, over tightened wheel nut, i would be onto triumph about it to get a new complete hub assembly,.
Your probably right, used to make tooling for Triumph, nothing made here anymore, won't pay UK engineering and manufacturing wages, but priced as if they are still made here and British this that and the other marketing 👎
@@Brit_Toolmaker Exactly, has to be the case. How else can an entire casting just break apart like that. Brittle fracture that wreaks of Chinese manufacture. I have seen videos where chinese rebar breaks apart just be dropping it on the floor. It´s like material science has not reached them yet.
Like dyson - lots of cash, any money spent on production is literally all about looks, quality is mediocre at best and then the planned obcelesence hits.
Those tiny teeth match up to tiny splines, so why why would they need to be big teeth ?. Disgraceful engineering ?.Could not the drive have been subjected to a severe shock load at some stage in its life ?. ' Alloy ' casting , would that be aluminium or steel ?.
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Thansk for this, since I sold my twin and just bought a sprint ST with same set up on the rear, good to know if i ever lose drive, I have an idea what it may be :) £100 for the parts not to bad, hopefully mine flys through its MOT with you a week on Saturday :)
@doncastermotorcycles I know what my luck is like, I'm going ABR this weekend, it'll go while I'm there and I'll be person #2 in the world to habe this problem and habe to be recovered home haha
I had a 2002 of this Gen 1 SV650S and it was a LOT of fun... even though I've been riding my Triumph Daytona 675R, I still miss my SV. I don't miss the carbs and warmup needed, but it's a great bike.
