Marcel what is the AMP hour rating of the new battery?Not to worry I found the result.

I will be interested to see how long the battery lasts. The larger SBK battery
may have been better with your high compression motor.

http://www.motowheels.com/italian/my...or=&collection=

XT battery rating.

Weight 3.3kgs
Volts 12
Amp-Hour 8.0Ah
CCA 115
Length 6
Width 2.75
Height 4.125

Your new battery.

Pulse discharge @ 10 seconds = 240 Amps
- Continuous discharge (MAX) = 140 Amps
- Cycle Life (DoD spec) = 1,000 cycles

10.5cm (L)
5cm (W)
4.13" (L)
1.96" (W)
- Weight = 766.57g / 1.69lbs
- Rating = 4.6Ah
- Applications = Engines 748 cc twins to 1400cc with stock stators as well as Triumph 675.

The SpeedCell SS Battery are designed for for 2 and 3-cylinder engines up to 600cc or 750cc 4-cylinder with original compression and stock stators.

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Mods that I have done to my XTX's

My 04 XTX
Stage 1 & 2 DNA filters / Kev fuel mod / snorkel mod / Drilled air box mod / Engine breather mod / Fork Spacer mod / 15w fork oil /
[
My 07 XTX
Raptor 700 cylinder 102mm / Modified Crank Case to take a 105mm Raptor Cylinder / 11:1 102mm JE Raptor piston / Stage 1 Raptor Hot Cam / Ported head / Colder Spark Plug / +2mm Throttle body / DNA stage 1 & 2 filters / Modified Air Box / Snorkel removed / Worry Brothers stage 2 filter cover / 6mm & 8mm Bolts Replaced with Titanium Bolts / Recovered seat in Black / O2 Eliminator /

My 09 XTX
59HP at the rear wheel / Stage 2 Raptor Hot Cam / DNA stage 3 Air Box / Carbon Can Exhausts / Modified Exhaust Link Pipes / PCIII With Custom Fuel Map / Wideband Commander O2 Data logger / LCD100 Dyno Jet display & fuel adjuster / 2500 OHM HT lead instead of a 10K OHM XT lead / Extra Coolant Cooler / Protaper Fat Bars / Tail Tidy With LED Tail Light / OKE Protection Knobs / LED indicators / AIS blocked / Modified rear sprocket rubbers / Rear Foot Pegs removed / 09 ECU With 02 Sensor Changed To A 06 ECU / Complete wiring harnes Changed from 09 to 04 / Home made LED resistor flasher / Hole drilled in the fuel tank filler neck to allow quicker filling / Modified Bar End Weights / Progressive front fork springs, 15W fork oil, forks lowered 25mm, used XTR rear links lowering the rear 20mm, rear spring one click stiffer / Changed front & rear guards from blue to black / 47T rear sprocket / Speedo Healer V4.0 / Kev throttle cam mod / Throttle grip mod / The new 2010 O2 sensor mod is out, works a treat, The new 2012 O2 Controller is out, PM me for details

Now ride a 2018 MT09SP ABS + TCS

My KTM 990 SMR Mod book. http://www.ktmsmt.com/viewtopic.php?f=13&t=4946