Quote:
Originally Posted by RichLees
I admit I was being a bit of an a#se, but my point is to relax and add a big margin to recommended oil changes. not least cos you can't always find suitable oil.
Martin, Tim and I have thrashed and crashed XR400s, XR650L and XR650Rs all over Oz and Africa including the Sahara - often having to negotiate deep, soft sand/dust on steep climbs in fierce heats and with huge loads (we had 50 litres of fuel and 15 of water on the Canning in Oz) at depressingly load speeds (10-20kmh on the steep, deep stuff). and we barely got over 30kmh (not my choice!) in the soft stuff around lake chad after I dislocated my collarbone - neither I nor the bike had much fun, but the oil was still good for another 5000km(?) to Mali. it was opaque/dark because of normal clutch wear rather than because it was "burnt".
PS FWIW I think I recall problems with early XR250 heads cos the camshaft runs direct in the head
PPS my ZX6R runs terribly in our damp weather so I'd happily have some of your SoCal sun!
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You cant judge an oils performance on its colour, there's way more factors involved in how oils work... You can stretch the change frequencys by 2 x times if you know you are riding 2-3x less than a hard ridden bike over 600 miles but its not clever and theres no need unless your stuck in the middle of nowhere.
Im guessing the 250's prob hold about a litre or less of oil so if you think thats fine after 15,000 miles then remind me never to buy a bike you have had !!
I guess you going extreme with 15,000 miles but even going 2000 miles on a 250 single is taking the piss, ridden hard or not.
If you want to keep this bike any length of time, change the oil before 1500Miles. Keep spare sump washers and a plug in your toolkit and make sure threads are clean before tightening up
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Did some trips.
Rode some bikes.
Fix them for a living.
Can't say anymore.
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