The ol' 660 is a fantastic bike but I reckon it could be made a whole lot better by shedding a bit of weight. After all, it weighs about the same as an R1 but it's 2/3 the engine capacity.

So, how about some ideas on how to make it lighter? Here are some of mine to kick things off:

• After market cans (up to 6kg lighter)
• Wavy brake discs (??? lighter)

A couple more but depends on riding conditions

• Remove radiator fan (mine's never ever been on)
• Remove side-stand

What else?

I could loose 4 stone and leave the bike as it is .

Depends what you want to use the removed weight for. Make it go faster or easier off road.

To get it faster take the high bars and screen off and go for clip ons, sit on the back of the seat be like a sports bike rider, and change the gearing to get better top end speed.

For off road remove all the extras, Lights indicators etc as well as the bits you were removing.

But if sreious off road is the game, trade it in for a WR450F for trail riding. Yamaha's Enduro model.

If other makes are possible Beta Alp is basically a Trials bike with a tank and seat.

Cannot remember the maunfacturer but if Ultralight is the game I have seem a mountain Bike and a BMX bike with small petrol engines in.

As for me I still need to loose 4 stone before I can complain about the bike...

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Colin
09 XTZ in Blue and its nearly Stanard.
My Mods - Peatbog rear rack

If you remove the fan you might as well set a match to it mate, I tell you.

The bike main weight comes from the engine. They have made the engine very heavy obviously for reliability reasons, but you can shed weight by putting after market cans, removing pillion pegs (they are well heavy too) replace the handlebars with renthal alluminum ones.

Disk brakes will not signify a lot of weight reductions and the wavy discs are really just a gimmick, at least for our bikes they are a waste of time (I know cause I've tried them, they last a lot less i.e. they wear quicker and they don't improve braking at all)

I knew i had seen a thread about this before....
have a reda through here mate http://www.xt660.com/showthread.php?...ht=weight,that will give you the weight of parts you can take off and what you may gain.
And i agree the weight of the rider might be the biggest loss you can make

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or olives???
quote motonacio "this is to certify Meach is not the prat you'd think from his posts"
http://www.youtube.com/imeach

I know the weight of the rider is significant, however all 'weight' isn't the same you know. The worst place to have weight is on the unsprung part of the bike. The next worst is high up, the next worst is low down, and the least worst is on the rider. The main thing about weight on the rider is that it's movable, so it can be used to advantage... sometimes!

The worst place for weight is on the un-sprung parts of the bike, then high on the bike, then low down on the bike..?????

Damn, lets just sell the bike, walk and be done with it...lol...
Choppin a few things here and there off the bike ain't gonna make a massive noticable difference to our lives...

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R1 on the way

That makes no sense, or will you be carring a paddock stand with you?

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I am doing a titanium bolt set right now for my bike.

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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

Wow, I think I must be doing something wrong! What with all the extras that I'm putting on my Tenere it is getting heavier by the day!..... and I haven't got the crash bars or the centrestand yet!
We've got a scrap metal merchants down the road and when I get all the bits on I'll fill it with fuel and take it to the weighbridge for a laugh / scare!

Don't take a dump for a couple of days and eat like a pig on the day you go to weigh her too.

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