"Roughness" in gearbox.

[Ivorwetwun]

I have had the bike a month, bought it with 5k on the clock.
Overall very pleased, but some downsides, the throttle snatch I've learnt to live with, but it shouldn't be on a new model.
Undecided whether to go with the Yammie flash. Still waiting to see if there is a power loss.
But I have noticed a "harsh" "rough" feeling in the 3k to 4k rev range. It's not the motor, def. the gearbox, is this a characteristic of the bike?

 

[Triple Trouble]

That goes after time and running in

 

[fizzy]

That goes after time and running in

Should be run in by now TT it has 5k on it mate

 

[Triple Trouble]

Should be run in by now TT it has 5k on it mate

Sorry bud. Missed that bit. Clutch bearings is my guess then...

 

[fizzy]

Sorry bud. Missed that bit. Clutch bearings is my guess then...

Off to the dealer me thinks. ?....you ok mate? Liking the re flash?

 

[Triple Trouble]

Off to the dealer me thinks. ?....you ok mate? Liking the re flash?

Im very well thanks. Loving the re-flash. Can't wait to get my new zorst system on. Do u know Mr T is selling his MT already???

 

[Kinjane]

Like a recently bottled Tempus Two Vine Vale Shiraz, things noticeably do improve with maturity.

BUT it could just possibly be the AFR.
Try putting the motor in top gear along a flat stretch of road and slowly run it up from 50mph, through the 54-58mph zone and up to 60mph and check out the engine revs as it does so.
However if this roughness makes itself known during this test it's a result of the Air to Fuel Ratio being leaned out to meet the 90kph EU emission test levels.
A bit of an annoyance, but handy to know if you're left running on fumes until the next petrol station.

 

[fizzy]

Im very well thanks. Loving the re-flash. Can't wait to get my new zorst system on. Do u know Mr T is selling his MT already???

Really, ,, why?

 

[Triple Trouble]

Really, ,, why?

A number of things... Misses the track, hates the roads down here, the suspension on the MT is wank lol. He will probably tell u when u speak to him. Gonna see if a few of my mates wanna buy it off him

 

[fizzy]

A number of things... Misses the track, hates the roads down here, the suspension on the MT is wank lol. He will probably tell u when u speak to him. Gonna see if a few of my mates wanna buy it off him

He will have no trouble selling that it's a cracking bike! Guess who as got a cat rattle?...me

 

[Triple Trouble]

He will have no trouble selling that it's a cracking bike! Guess who as got a cat rattle?...me

He shud sell it no probs.
Wot the hell is a cat rattle lol?

 

[fizzy]

He will have no trouble selling that it's a cracking bike! Guess who as got a cat rattle?...me

I mentioned cct rattle ,,, bloody spell check

 

[fizzy]

I ment cct feckin spell check!

 

[Triple Trouble]

I mentioned cct rattle ,,, bloody spell check

Lol. I know wot u mean. Oh no...! Not the dreaded cct rattle lol

 

[fizzy]

Lol. I know wot u mean. Oh no...! Not the dreaded cct rattle lol

Just started yesterday when me and DC were out for a hoon, gonna ring the dealer tomorrow to get it sorted hopefully they will replace it
and not wana adjust the fecker

 

[Triple Trouble]

Just started yesterday when me and DC were out for a hoon, gonna ring the dealer tomorrow to get it sorted hopefully they will replace it
and not wana adjust the fecker

We all know that adjusting it does naff all... that's y they're on the 3rd modified cct now.......

 

[stevecbr]

re gearbox, no I dont know whats causing roughness at 3-4000 rpm.
How can a gearbox feel rough? Certain its not vibration or rattle from CCT? Mine rattles 3-4000 rpm, from CCT area, guess it needs CCT mod.
Gearbox shifts smoothly, but clunks onto 1st like most bikes

 

[motorcycleboy]

i'll had to look at 2 causes.. poor engine-oil quality or bad setting of clutch cable.

 

[Kinjane]

I'd put money (preferably not my own as all bikes are slightly different) that it's definitely caused by a weak AFR mix.

I adjusted my CO readings back to zero and it was as if a bearing had just failed. Adjusted it back up higher and the 'gearbox' roughness all but disappeared.

 

[motorcycleboy]

I bet you win but how could the CO settings affect the gearbox's roughness ?