On/Off throttle problem

fabio.four · Post by **fabio.four** » Tue Sep 13, 2016 9:20 am

Hello I write from Italy and a few months ago I have a trx 850.

My problem is that the bike has a problem in the opening of gas, a strong on-off which is very annoying.

The bike has 47,000 km and totally original, good preserved.

Thank you all

Rubes · Post by **Rubes** » Tue Sep 13, 2016 9:25 am

Welcome Fabio

Correct chain tension and correct throttle cable play would be my suggestion.

cobbadiggabuddyblooo · Post by **cobbadiggabuddyblooo** » Tue Sep 13, 2016 10:11 am

Spend $200 and buy 2 keyster carburettor rebuild kits, air cut off valve kit and the plastic air cut off valve cover. It's the round white plastic cover on the side of the carburettor.
The carburettors will need a new kit every 30,000 km due to down draught nature of the carburettor.
The air cut out valve kit and cover should be good for another 15 years.
80% of TRX tuning issues are usually carburettor related.

fabio.four · Post by **fabio.four** » Tue Sep 13, 2016 10:59 am

hello guys..the chain tension and the throttle cable play i think is ok..
I've seen the kit on kedo.com for two carb..
or new emulsion tubes on factorypro.com.
What do you advise?
THANK's

cobbadiggabuddyblooo · Post by **cobbadiggabuddyblooo** » Tue Sep 13, 2016 12:10 pm

Personally I would stick with Kedo standard kit.
Also look at IGNITECH programable ignition as you'll find good gains and makes for a much more rideable bike especially under 4000rpm.

fabio.four · Post by **fabio.four** » Tue Sep 13, 2016 12:55 pm

ok.very thanks..
where i can found a ignitech ignitions?
is already planned or you have to program it?

Killerwhale · Post by **Killerwhale** » Tue Sep 13, 2016 1:01 pm

http://www.ignitech.cz/en/

fabio.four · Post by **fabio.four** » Tue Sep 13, 2016 1:09 pm

fabio.four · Post by **fabio.four** » Tue Sep 13, 2016 2:08 pm

I order the kit from kedo and when arrived change all...
Thank you to all for the moment ... you very kind

There is also this ... What do you think?
http://www.kedo.com/products/30601.html

cobbadiggabuddyblooo · Post by **cobbadiggabuddyblooo** » Tue Sep 13, 2016 2:53 pm

Ignition plugs straight in with adaptor loom you also buy from IGNITECH .
Ignition is already programmed for the TRX-TDM 850.
You can just plug it in and ride.
Throttle position sensor needs to be turned on and calibrated using the program disc supplied for optimum performance. Some people don't do this as they are already happy with improvement but makes the bike more responsive when turned on.
Very simple and easy to do. You will need a RS232 lead to plug into the ignition and to your laptop computer too.

fabio.four · Post by **fabio.four** » Tue Sep 13, 2016 7:53 pm

thanks a lot...for the moment rebuild all with new kit.
then I could also opt for a ignitech ...but ...just plug it under the seat on the original control unit?

cobbadiggabuddyblooo · Post by **cobbadiggabuddyblooo** » Wed Sep 14, 2016 2:05 am

Yes, when you buy just remember to order TCIP4 programable ignition plus adaptor lead to plug into TRX connectors on wiring loom.

fabio.four · Post by **fabio.four** » Wed Sep 14, 2016 7:59 am

thanks cobbadiggabuddyblooo

fabio.four · Post by **fabio.four** » Wed Sep 14, 2016 10:00 am

There is on this website a guide on how to mount it?

thank's

Yamaha TRX850 Enthusiasts Forum

On/Off throttle problem

On/Off throttle problem

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