The lighter the bike the more significant the rider’s weight becomes… the centre of gravity may well have moved upward as a result.What is the state of tyres?Is the suspension set up for you?If the front spring rate or preload is a bit low for your weight or if the fork oil is too light then you’ll get more dive… more dive transfers more weight to the front and takes it off the rear.
The rear shock on the MT09 has had appalling reviews and feedback from owners. Your problem sounds symptomatic of the shock having very poor damping characteristics.Unfortunately the fix seems to be aftermarket shock fitment. The MT forums will shed more light./
Being a fat bloke myself I can tell you exactly what is happening to your bike.Your suspension is budget and not designed for your weight, when you sit on the bike you will use up all the sag. If you can't afford to have the suspension rebuilt to suit your weight, at least get springs rated to suit you and take advice on oil weight and amount.
Quote from: Tmation on 10 July 2017, 05:28:05 pmBeing a fat bloke myself I can tell you exactly what is happening to your bike.Your suspension is budget and not designed for your weight, when you sit on the bike you will use up all the sag. If you can't afford to have the suspension rebuilt to suit your weight, at least get springs rated to suit you and take advice on oil weight and amount.Wouldn't it just be cheaper all round to eat less pies
Just a thought, are you changing down as you do this?, the rear will lock up quite easily due to the strong engine braking.
Quote from: locksmith on 09 July 2017, 08:42:57 pmJust a thought, are you changing down as you do this?, the rear will lock up quite easily due to the strong engine braking.Nope I rarely do that. If I change down usually I don't use the brake until last few meter before stopping, because the engine braking is very strong on MT09.That happens only when I need the brake - something happens and I need to use the front brake in a sharpish way.Update today I was overtaking few cars with 70ish or more and I was in the opposite lane while doing that. The lane was straight and free more then 500-600 meters ahead. A car has popped up from a driveway in front of me in the lane. Luckily there was enough distance. The front brake was pulsing hard at the lever when braking from speed and the whole front was jumping like going through speed bumps.Any ideas?
Quote from: locksmith on 09 July 2017, 08:42:57 pmJust a thought, are you changing down as you do this?, the rear will lock up quite easily due to the strong engine braking.Nope I rarely do that. If I change down usually I don't use the brake until last few meter before stopping, because the engine braking is very strong on MT09.
Quote from: Val on 17 August 2017, 12:17:58 amQuote from: locksmith on 09 July 2017, 08:42:57 pmJust a thought, are you changing down as you do this?, the rear will lock up quite easily due to the strong engine braking.Nope I rarely do that. If I change down usually I don't use the brake until last few meter before stopping, because the engine braking is very strong on MT09.That happens only when I need the brake - something happens and I need to use the front brake in a sharpish way.Update today I was overtaking few cars with 70ish or more and I was in the opposite lane while doing that. The lane was straight and free more then 500-600 meters ahead. A car has popped up from a driveway in front of me in the lane. Luckily there was enough distance. The front brake was pulsing hard at the lever when braking from speed and the whole front was jumping like going through speed bumps.Any ideas?I'd put some money on warped disc.
My reason for saying that being that in a car I had a terrible juddering when braking heavily from speed, yet normal braking at normal speeds was unaffected. Turned out the discs were badly worn and replacing them was the cure. Now I assume am MT, a couple of years old won't have worn discs, so I mention warped. Possibly just slightly untrue just enough to give the heavy braking symptoms.