SOHC.co.uk Forums > CB750
Non Starter
Lobo:
Thanks gents,
Particularly for the specifics K2; always keen to learn..
Will make stabiliser a feature of the 3 bikes. Still thinking about the Optimate, have heard mixed reviews... Have treated the '750 to a LIPO battery, so far very impressed, ...but pricey.
http://www.carrotcycles.co.uk/shorai-powersport-lifepo4-batteries/cat_217.html
I sincerely apologise for thread drift here, but to wrap things up on 'non-starting' bikes; is it ok to bump start a shaft drive? (which in essence is no diff to bump starting a car?)
Cheers again...
Bryanj:
Had to do it all the time with a "shop" V7(?) whilst waiting for starter spares(2 months)
Lobo:
Cheers Bryan...that'll do me..
Bitsa (Ralph Wright - RIP):
Did the usual this time with the kick no problem just like the norm makes me think.I have a sit upon grass cutter sits there all winter starts no problem and I do not drain the carb.One thing I have noticed is that it will not start with full choke from cold modern fuels again I do not know just live with it.Like someone said I think that if used daily we would not notice these problems.
Don't know for sure.
Cheers
Bitsa
K2-K6:
I'd go along with Bryan on the shaft question....would seem to generate no more stress than when you shut the thottle in a low gear and the wheel spins the engine via the gearbox.
Forgot to put a comparison on that fuel injection reasoning......the old four cylinder bikes with carbs would appear to have the worst case of fuel problems if you leave the floatbowls partly full as they each have a vent tube to air.....I understand the major part of the problem is promoted by oxidation......so four little chambers of fuel all vented nicely to air would appear to offer the faster route to getting the fuel in a poor condition.
My understanding of "old" fuel is that the fresh petrol smell you get when you buy it has a lot to do with the components called the aromatics, and these help to make the fuel ignite easily.....but they also disappear quite readily if left vented to air, leaving the heavier components of the fuel which promote a stable burning but are less inclined to fire when sparked. Also now with ethanol added to many pump fuels, this has an unstable and deteriorating effect in the same circumstances, so we are now seeing a compounded effect when the fuel is left in unfavourable conditions.
Apparently some supplies have no ethanol, but you'd have to research the supply chain in your area to find out. It certainly would appear to reduce some of the problems if you found such a supply.
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