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TRX 850


RAY G
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Hi there lads and lasses, i have registered on here for my dad as he has just purchased a trx850 from a bloke who has had it in his shed for 10 years. Its not cost him a pretty penny but he seems to have a few problems which he would like advice on. He has 3 other bikes and is still mad keen at the age of 63. If anyone can help or has contact numbers of specialist who can my dad would be very gratefull. Im not sure if you can send private messages to avoid other people knowing your number but if you wish to email me at [email protected] i will reply and go from there. Many thanks Clive.

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Do you want an ad-free experience? Join today and help support the Yamaha Owners Club.

for general engine related stuff, i strongly suggest you join the carpe-tdm forum (google it) as they know lots about that particular engine.

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for general engine related stuff, i strongly suggest you join the carpe-tdm forum (google it) as they know lots about that particular engine.

Many thanks for that

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Could I Please have a picture of your Norton 650 if its not to much trouble

biggrin.gifbiggrin.gifbiggrin.gif

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Could I Please have a picture of your Norton 650 if its not to much trouble

biggrin.gifbiggrin.gifbiggrin.gif

My dad has 2 650ss bikes and will take a pic of the one he has at home. Its gleaming and every nut and bolt has been replaced, the wheels are like new and the frame and other parts have been re stove enameled. And to top it all its in his front bedroom.

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My dad has 2 650ss bikes and will take a pic of the one he has at home. Its gleaming and every nut and bolt has been replaced, the wheels are like new and the frame and other parts have been re stove enameled. And to top it all its in his front bedroom.

Oh great, i await your pic with much excitment. thumb.gif

Bike in the front bedroom----- best place to get work done, warm, dry, close at hand and comfy for the long hours needed.

Now, what were the few probs with your Dad's trx850, if i can be of any help i will most certainly try.

Its a big twin cylinder isnt it.

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Oh great, i await your pic with much excitment. thumb.gif

Bike in the front bedroom----- best place to get work done, warm, dry, close at hand and comfy for the long hours needed.

Now, what were the few probs with your Dad's trx850, if i can be of any help i will most certainly try.

Its a big twin cylinder isnt it.

Im not a biker person and that really pisses my dad off so im not sure of the probs he has got but im going to bring him to my house and he can let you all know. The Norton has been in the house since i was a kid so going on 30 years and from what i know its in absolute excellent condition. He is in the process of selling his house and when he does comesv the easy part of getting it down the stairs... I fear me and my brother are going to get injured.

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Im not a biker person and that really pisses my dad off so im not sure of the probs he has got but im going to bring him to my house and he can let you all know. The Norton has been in the house since i was a kid so going on 30 years and from what i know its in absolute excellent condition. He is in the process of selling his house and when he does comesv the easy part of getting it down the stairs... I fear me and my brother are going to get injured.

My dad bought the bike which wasnt running (not a good idea) but the fuel tap was missing which i have just got for him off a dealer on Ebay, and when he attached the battery the rev counter jumped to 3. The throttle response is telling you there is a problem but do you have any ideas what does it indicate by jumping to 3? Could it be carbs, ignition or what? My dad is very good with british bikes and would rather try and solve the problem himself if possible. He will take it to a Yamaha dealer if need be.

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If i want to show the pics of my dads Norton i have taken do i have join or can i just download them on here?

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My dad bought the bike which wasnt running (not a good idea) but the fuel tap was missing which i have just got for him off a dealer on Ebay, and when he attached the battery the rev counter jumped to 3. The throttle response is telling you there is a problem but do you have any ideas what does it indicate by jumping to 3? Could it be carbs, ignition or what? My dad is very good with british bikes and would rather try and solve the problem himself if possible. He will take it to a Yamaha dealer if need be.

I dont want to step on your Dad's toes or anything and if he is good with bikes he will probably figure it out for himself !!

So i take it he has got the bike to start ?

First thing is the bike has been sitting in a shed for 10 years, thats a long time without any use so almost everything is going to need some sort of attention.

The rev counter jumping to 3k is a bit confusing, maybe its rusted wires on the clock or the cable to the clock is sticking, either way i wouldnt worry 2 much about it just yet unless the bike is stuck ideling at 3k.

The carbs are going to have to be spotless for good running.

Anything to do with throttle response after the idel stage is usualy to do with the needles not operating propperly. First thing to do is really clean the carb and get it set up propperly.

What year is the bike?

Is it in good looking sape?

If you (or your Dad) could give good clear explainations on what stage the bike is at and on what the problems are it will be easier for us to help as the more we know the better.

ps. tell your Dad pacience is a vertue when fixing bikes as im sure he knows !!!

If i want to show the pics of my dads Norton i have taken do i have join or can i just download them on here?

Yes please show off the Norton !!!

No, you dont have to join, look in the Fourms under the heading FAQ's then go down to posting pictures... it tells you what to do there.

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I went to see The bike and it looks in mint condition and im sure even better once my dads got his hands on it properly and you wouldnt be stepping on his toes as he hasnt owned a Jap Bike before only British. He hasnt started the bike yet as the petrol tap has only just arrived. As i posted earlier the prob my dad has at the minute is when he attaches the battery the rev counter goes to 3 and then back again and in the manual it says if this happens take to a Yamaha dealer? It seems it doing this its a warning of something wrong but what? The bike is a 1997 model. My dad wants to start it now he has got the fuel tap but is worried by this? Should he? He also would like to know if he should put Redex i think he said into the carbs? If it would be easier for you i could get my dad to ring you as its not easy for me relaying this info from phone conversations i have with him onto here when i dont have a clue with bikes. My email address is on the first post if you want to send it to me and i will get him to ring you when its convenient for you? Many thanks for your help and i will get those photos on here for you as ASAP.

Clive.

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Here is a good example of a TRX 850

trx850.jpg

Ok so if the rev counter goes to 3k then back down and it says in the manual that this indicates a fault "I think" he is gona have to have a go at starting it cause otherwise hell never find out what the fault is.

If everything on the bike looks good and in its propper place then tell him to give it a twirl and see if it fires up.

Fresh fuel, clean plugs, clean pipes---ie no lil mouse living in them, good flow of fuel to the carbs,all battery conections clean and tight--- including the earths to the frame and give her a go.

If she fires up and starts leave it running for 1min while watching the rev counter to see what happens and listening to the engine for unusual noises.After the 1min turn her off, disconect the battery then reconect it and see if the rev counter still goes to 3k then down again. If it does i still wouldnt worry to much about it as it could only be a warning thingy to tell you like the bike needs a service or something.

Stars it again and leave it running this time till it reaches normal operating temp, while constantly looking/listening for faults.

I wouldnt bother with the redex just yet, try with just fuel as if it doesnt fire up or even make an attempt to I think he will have to take the carbs off for a propper clean. Remember it hasnt been started in 10 years so she wont be all that willing to go!!!

Dont know about ringing me, I live in Ireland and it wont be cheep but ill leave my number in your mail box anyway.

EDIT: Ive just noticed that there are one or two other members on here that have a TRX and a TDM so maby they will be able to give some good input also !

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