Making the XTX (or XTR) lighter
 

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 :BaseballHat_LNY2EG:.

Depends what you want to use the removed weight for. Make it go faster or easier off road. :blob7:

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.:ninja::091:

For off road remove all the extras, Lights indicators etc as well as the bits you were removing.:ninja::angel1:

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.:triplets::027::coolsmiley:

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

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

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...

That makes no sense, or will you be carring a paddock stand with you?:smilies0943:

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

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!:icon_jokercolor:

Don't take a dump for a couple of days and eat like a pig on the day you go to weigh her too. :096:

Well, I'm disappointed by the level of replies so far, some of them bordering on rude. It was intended as an open, constructive discusssion. If everyone in the world was as blinkered we'd never have gone to the moon. I guess if there is no direct bhp figure for a particular mod nor a bling factor of zillions people don't want to know. Good luck to y'all.

No DanG it's not like that, people wouldn't be rude here for no particular reason, some of them also pointed you in the direction of a technical estimation done by our Kev which shows the amount of HP gain from removing various parts from the bike, I think overall the thread was quite constructive, there have been some strange responses, I admit, but then... you did suggest something strange yourself when you said "Perhaps I should remove the radiator fan, because mine never comes on". Was that not borderline.... how can I put it... silly?

You have to appreciate people gave you their honest suggestions and other responded with sarcasm in response to some of your more 'riskee" suggestions. You can't blame them for that.

:coolsmiley:

No need to get offended i think...
If you look through the threads you'll find one about reducing weight, and it was a pretty serious discussion.
There is a lot weight the xt can loose in my opinion but you'll have to pay a lot for it all.
Everyone can deside for him/herself if it's worth it or not...

If your after more power less weight







































GET A DIFFERENT BIKE :icon_burnout[1]:

Gee I wish someone had told me that, before I spent thounds of $ on trying to get more HP & make my bike lighter.

G'day mate.

I have an Aprillia Pegaso Strada which has the same motor as you have and I've done most of the power mods (pipe, air, ecu etc) but not wanting to do serious engine work like Kev (not yet anyway) - I too am turning to the idea of loosing some fat from the bike. I've a background in bicycle riding and enduro and mx - all of which place a premium of loosing weight so i've been taking a long and hard look at my bike - looking for superflous things to get rid of. Alas, it is not easy.

As someone else said - the engine is where a lot of the weight is as well as the frame, wheels and suspension. The exhaust are the easiest place to start and can save you plus minus 6kg's which placed high on the bike - makes a different to handling. As for the rest - not a lot you can do really. Remove pillion pegs yes, lighter bars (negligible saving), lighter wheels (very expensive but best result performance wise). Unsprung and rotating mass will yield best handling and acceleration results (rule of thumb is that rotating wieght saved is worth twice of non-rotating weight). Hmmm - what else. You could start making your own carbon fibre fairings and covers etc (not very hard to do and does look great). At best however - I think we'll end up only loosing a handfull of kg's and that's it. Still, if like me you're a serial modder - it's worth it just to see if you can !

Good luck.

I have been looking at the motor & considering lightening up the engine casings as well.

With covers like this one http://cgi.ebay.com/ebaymotors/Yamah...mZ200240352586

Also make one up for the clutch cover.