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The TTR250 FAQ web pages -> TTR250 -> Repairs and maintenance -> Today's top tip - undoing a sprocket nut when the engine is out of the frame
Post Info TOPIC: Today's top tip - undoing a sprocket nut when the engine is out of the frame
TTRfan


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Today's top tip - undoing a sprocket nut when the engine is out of the frame
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Stripping down an engine tonight, I used the "jam the sprocket with a socket" technique - worked a treat biggrinbiggrin

An odd thing, the nut needed a 32mm spanner (I haven't got a deep socket that size) and I am sure that nearly every other sprocket nut I have encountered is 30mm confuse  I will try and remember to check it out tomorrow.

Also, I am pretty sure that the previous owner had been running fully synthetic oil (reddish in colour and really "thin") but I will try and check with him. The reason for mentioning this is that, internally, the engine is the cleanest I have ever stripped down with none of the usual brown oil staining. Big and little ends both good. Interesting coz I have never tried fully synth as I prefer a semi-synth as the oil has a bit of "body" to it.

Brian

20200817_211501.jpg



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comeragh


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Good idea . I have ran bike on fully synth 5/30.It is alot more racy and responsive but went back to 10/40 semi because it felt more cushioned for long runs .I don't know if I imagined it but for road engine felt happier on a heavier oil .If I were only after performance the light synth is better .


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TerryK


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I use this bad boy, cost me less than $100au & makes it so much easier, I used to get the wife to sit on the bike with both brakes on etc & it would still try to drive off the stand, now I just use the battery rattle gun. If the engine is out of the frame as per photo above would still have to lock the sprocket.

118217585_2579486919028316_7030186396689876949_n.png

Terry



-- Edited by TerryK on Sunday 23rd of August 2020 03:23:37 AM



-- Edited by TerryK on Sunday 23rd of August 2020 03:24:01 AM

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ttboof


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I'm converting to cordless tools 

If only they were around when I was on the spanners 





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TerryK


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ttboof wrote:

I'm converting to cordless tools 

If only they were ariundvwhen I was on the spanners 

 So true, they have come such a long way, I use a cordless compressor when changing my tyres now easier than dragging out the 240v unit, same with drills

 

Terry



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Triumph Thruxton for the twisties SOLD

Triumph Scrambler for fun

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Herman


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All true , I did the brakes on the Amorok with cordless tools in the time it took my wife to make a fish finger toasted sarnie. I could smell it cooking so there was a bit of an incentive.

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ttr steve


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biggrinbiggrinbiggrin made me laugh!



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ttboof


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Agree the smell of food supports the need for the right tools to eat on time 



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