A forum for owners of Yamaha TTR250 trail and enduro bikes!

Cubber · Super Guru

Trail tech vapor

davecambo · Senior Member

Anyone fitted a trail tech vapor computer? If so how are they and can i see please?

davecambo · Senior Member

indeed it could be something that goes wrong. wonder how hard it is to fit a tacho to my bike.

truslack · Veteran Member

There's plenty of Acewell and Trailtechs available in the UK. I have fitted Acewells before (I prefer them to Trailtechs) and they're brilliant bits of kit.

osbrook · Member

I have one of these on my 2004 TTR. Works well easy to fit etc. The bike is used all winter and stands out side during the day at work. The Vapor has never caused my to worry about it.

Had mine on 2 years now, but was only about £80.

Photos available if required.

Chris

Aidan · Senior Member

Question, how is it fitted to a blue ttr? As the spedo is connected mechanically to the front hub

TTRfan · Super Guru

I had a Vapor unit on a white TTR - here is a pic of the sender unit cable tied to the fork leg. Haven't got a pic of the magnet which was attached to the brake disc and covered with epoxy resin.

Vapor sender unit.jpg

osbrook · Member

Fitting. Mine was a replacement to the standard speedo that is still in place under the frame I made to mount the Trail Tech.

Speedo cable runs down the other side (left).

davecambo · Senior Member

so does the standard speedo cable attached to the front wheel of blue models go straight into the vapor, or does it require a new plug or something.

osbrook · Member

Doesn't use the standard speedo cable. This is just like one on a Push bike. It has a magnet (bolt head) and a sensor on the forks. All you do is remove one of the small bolts from the front wheel near the hub and replace with the supplied magnetic head one.

All works well, through all weathers. I'll try to get some photos at lunch time, but at work so may not get time to up load for another 11 hours.

osbrook · Member

Here are the pictures of my setup. Didn't realise the bike was so dirty.

Full size:-
http://dl.dropbox.com/u/59854210/01022012346.jpg
http://dl.dropbox.com/u/59854210/01022012347.jpg

Same pictures as here:

davecambo · Senior Member

so how does it detect revs?

TTRfan · Super Guru

davecambo wrote:
so how does it detect revs?

From a wire that you wrap around the HT lead wink

truslack · Veteran Member

TTRfan wrote:
davecambo wrote:
so how does it detect revs?
From a wire that you wrap around the HT lead

Or from the pulse side of the HT coil.

osbrook · Member

It has a single simple wire you wrap round the HT lead. The manual says 2-3 times. make that 5- 10 times.

Then you can set the LED's to flash at set revs.

ie. flashes Orange when to change gear and Red when you have over rev'ed it.

Good for windy days on the road.

It then has another wire for the engine temp. Just find a suitable bolt and attach it there. Again can set warning LED for high temp.

Best if the uint is connected via fuse to the battery as it saves the internal battery and makes it a lot brighter when in use. Does not appear to flattern the battery as it draws next to nothing.

I find the display of time useful. The air temp is good when it starts to get frosty.

The speed is based, like on a cycle computer, on the tyre diameter. Then tested against a GPS device. with in .3mph at 30MPH.

When first fitted you have to learn to watch the road and not the read outs

davecambo · Senior Member

any chance of a photo of the wire to HT lead? this unit sounds tops when wired to the battery.

davecambo · Senior Member

where or when do you set the max rpm light to on yours mate?

osbrook · Member

davecambo wrote:
where or when do you set the max rpm light to on yours mate?

Like all these devices and watches etc, you hold down a combination of the buttons for a few seconds and then go to the setting you want.

Time, Max temp, RPM, MPH/KPH, 12/24 hr clock, wheel size.

etc

A different combo lets you reset the Trip distance, ie. after every refill.

truslack · Veteran Member

Bluey-green cable is the HT lead, red cable is the tacho pickup cable, wrap it round the HT lead's insulation a few times, then cover with selfamalgamting tape.

Mark

osbrook · Member

As Mark says. Sorry the pictures I have just taken aren't good enough. For a change the sun is too bright and it really needs a better angle/camera than my phone can provide.

It really is a simple as wrapping the wire round the HT lead between the spark plug cap and the sender. Then putting tape round it to stop it un winding. Duck tape in my case.

There is no direct connection and no bare wires. This is a wire that senses the pulses in the HT lead. The head unit counts these to calc RPM.

Chris

osbrook · Member

Dave

Read this :-

http://www.trailtechproducts.co.uk/acatalog/vapor_instructions.pdf

It shows you how to set it up and page 9 is the picture you are after.

From Trailtech:-

"There is no kit for your bike off the shelf, the best option is the Generic Conventional fork kit part number 75-704 Vapor"

Which is what I got via Amazon, needs a longer cable tie and a sticky pad behind the magnetic pickup on fork.

Chris

davecambo · Senior Member

yeah sorry i meant where do YOU have YOUR light set at? how many thou?

osbrook · Member

To be fair I have no idea it was two years ago I set it up. I did it only by feel and what the unit read. That way if the RPM reading is out then it is still right for my bike.

Somewhere around 8000 for change gear in race mode and 9000 for You're in the RED and about to hit he limiter. Remember these may not match the real rpm of the bike. I use the guage purely as a guide to where I am in the range when I can neither hear or feel the engine.

blue03si · Member

I just bought a trail tech vapor and have no clue what to do with the temp gauge. It doesn't fit around the spark plug like the instructions say. Somebody said just to attach it to a bolt on the block. What bolt to people use? Thanks!

MuzzaNZ · Veteran Member

For the TTR's, its part number 752-704 (http://www.trailtech.net/digital-gauges/vapor/752-704), and there is a YouTube review of it at https://www.youtube.com/watch?v=Sp_OT_oNXAc - as fitted to a Suzuki, but same priciple.

This unit may especially be worth considering for, like me, those who have the OEM digitial speedo unit (in the steel tank TTRs) with the fault that drains the battery even with the key turned off.

martin555 · Veteran Member

hi there

this works or diameter of spark plug will not fit?

www.aliexpress.com/item/Runleader-engine-TEMP-METER-thermometer-temperature-meter-for-motorcycle-construction-machinery-paramotor-truck-drilling-machine/32539432017.html

thx

JOHNYBOY · Super Guru

i fitted a trailtec was about £80.00 works very good

tripodtiger · Senior Member

Just having a squiz about the Vapor, whether anyone has negative experience when fitted to a Tiddler Tenere.
Not seeing much negativity so far. The stock speedo etc is still functional, just that the plastic is cracked and the lamps are really hard to see in full sun.

I bought two, for my LC road race bikes. Could never get either to work properly, which was a pain as all I wanted was tacho & water temp. Also found that the numerals were quite hard to see whilst racing. I removed them. I use a TTO minigauge for water temp now. TTO is Trailtech. No idea why they use a different name. Maybe the minigauge is just too small to make 'Trailtech' readable.

Might see how I go fitting it to the bike. I was wondering if it may work better with a four stroke.

Any comment on the direction of the HT lead winding - start near the coil and wind towards the plug?