SOHC.co.uk Forums > The Black Bomber Board
67` Bomber running problems
mo goldie:
Well as I say Bryan
Not used to Revving an Engine that hard....yes as you say No where near the red line.... but i don`t thrash the Sh*T out of an engine I just want it to last. i did go to 80 ish at one point and the speedo needle when it hit that speed went right up and off the clock....... don't Know why but as soon as it came down it was fine again..dam gremlins.
but i am glad that it runs well Now and Not got the Rev flat spot No more...... as they say keep at it till you get it right and i do that to all my bikes....... some people say I over polish them too and they don`t look right...but as I say each to their own. I just like to look at a bike see if it`s looked after or Not if you know what I mean.
Bryanj:
Thats the big difference mate, old british iron was designed for ocasional sniff of the red but japanese was built to have its neck wrung, can remember the exact wording but the 500 owners handbook says it is fine to go into the red but not out of the top for extended periods!
K2-K6:
Data says stroke of 450 is 57.8mm ..... in comparison to a 650 Bonneville @ 82mm, which is a huge difference in linear piston speed and giving the short stroke Honda an easier time, in kinetic terms, at any rpm. Both about 70mm bore too.
Crank rotation faster, but pistons moving slower sounds stressful, but mechanical effect is more gentle.
Also 360 degree crank vs 180 to give significant difference in balance at half stroke point in rotation.
mo goldie:
Well I will still keep the rev`s down as just need it to Cruise around on not sound as if I am ringing its neck LOL
mo goldie:
Hi Roy
Thanks for the update of the parts and where to get them ;D they came today and No import tax Yahoo LOL. a 35T Rear and the 15T Front so you know what I will be doing over the next few days ..what with the weather being like it is :'(
but it will be all good I hope the sprockets look all to be ok.... update soon.
Cheers Mo
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