Why do I stall going downhill!?

[Feasty]

I've got a Diversion XJ900 that I use for commuting to work every day, it starts and runs fine and always has these past few months I've had it.

Recently though I've suddenly started stalling it at one specific set of traffic lights on a downhill dual carriageway stretch. This morning was the 3rd time in the past week!!
I filter to the front of the queue when the lights are on red and when I went to set off the bike just stalled. Maybe I'm just not giving it enough rev's but surely an engine of that size is capable of pulling away downhill without any rev's theoretically!?

On my commute I have to deal with uphill stops, tight slow turns, downhill roundabouts, etc, etc - and have never stalled on these -just this one junction! I don't get it...
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Previous: Aprilia Habana Retro 50cc (beauty), Yamaha SR125 (fell apart), Honda XR125 (nippy little commuter), Honda SLR650 (Geewhizz), Yamaha Diversion 900S (Smoooooth) written off courtesy of a stupid escaped horse.
(7 year gap), BMW F650 (Relaxing ride). Aprilia Caponord ETV1000 (Big and bold). Yamaha FZS600 (got me in trouble too quick!).
Current: Yamaha TDM 900 (Comfy, light but big, power when needed).

[L4Isoside]

More revs

Probably you just thinking as its down hill you want want to go too fast and so dont rev it, im pretty sure you'll be fine !

[-Savage-]

Perhaps a fuel supply issue?
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My Bikes - - - Royal Enfield 500 with sidecar, VFR800, CBR600FX,
Peugeot Speedfight 100, Kymco Hipster 125, GSXR750K5, Jawa TS 350

[Stevie GooGs]

Don't dump the clutch, let the clutch out slower and make sure you have enough revs or have high enough revs and dump the clutch.
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Current: 2019 Yamaha T7 -> 2015 KTM Superduke R | 2000 Yamaha R1 Past -> 2009 KTM 990 SM -> 2005 kawasaki ZX10r -> 2000 Honda CBR 600 FY -> 2002 Honda XLV 125 Varadero
Bike Pics! -> My Photography Website

[Welshd1k]

just because its down hil... still neeed to rev it alittle / slip the clutch . sounds liek your just trying to pull off with no revs and letting the clutch out ><
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Current >Cb600fx hornet, ns125rk90 21.7bhp@wheel<
Sold >,zxr400 h2 (33bhp kit) rd350 n1 rd350 lc2<

[Feasty]

Hmm, it's definitely something I'm just not getting quite right... I'll keep trying! More rev's and dumping the clutch sounds like a good plan
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Previous: Aprilia Habana Retro 50cc (beauty), Yamaha SR125 (fell apart), Honda XR125 (nippy little commuter), Honda SLR650 (Geewhizz), Yamaha Diversion 900S (Smoooooth) written off courtesy of a stupid escaped horse.
(7 year gap), BMW F650 (Relaxing ride). Aprilia Caponord ETV1000 (Big and bold). Yamaha FZS600 (got me in trouble too quick!).
Current: Yamaha TDM 900 (Comfy, light but big, power when needed).

[0l0dom0l0]

yammy clutches are very grabby when warm. just give it some more beans

[Walloper]

Book a few lessons with a training centre before your test.
You need to learn how to use 'Slow Control' and 'Hill Starts' that's all....
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W-ireless A-rtificial L-ifeform L-imited to O-bservation P-eacekeeping and E-fficient R-epair

[TomCB]

[SirEdward]

[Feasty]

Was all set up to take this junction this morning, got through on green instead!

[Walloper]