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Mk1 TDM850 Electric Fuel Pump Install


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#101 openroad

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Posted 31 March 2012 - 04:42 PM

QUOTE(Margus @ Sat 31st Mar 2012, 02:49 PM) <{POST_SNAPBACK}>
That little droplet on WD40 would'nt do that.

i know now. it was too much fuel i had to adjust the fuel mixture screw. it dropped the revs down a bit. but i didn't do it enough and it still clogging the spark plugs with black carbon petrol smelling powder. so tried to adjust them again and i've only gone and rounded the head on one of the mixture screw. NOT IMPRESSED AT ALL. so got to take the bloody carbs off and try and get the screw out. i'm not having much luck with this bike. it Definitely a T.D.M (Tedious, Dammed, Machine) but i love it. so now i got to wait for a new screw to be delivered also my threaded remover bits. has anyone used one of these remover. its like a reverse cork screw. or does anyone know of a different way of getting the bloody screw out i can't grab it with pilers because it's in a tube.

#102 Jana

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Posted 30 May 2012 - 09:11 AM


Would this make a good cheap pump replacement?
http://www.ebay.co.u...=item231da835b5

Is what they write about the pressure correct? That 4 - 4.5psi is enough and that too much is not good for a carburated engine?


#103 alexk243

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Posted 22 January 2014 - 07:24 PM

Where did you guys buy the relay from? What do you need to know about getting the relay?


1992 Yamaha TDM 850
1980 Honda CX500

#104 tdmpaul

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Posted 22 January 2014 - 07:46 PM

is it a worth while mod ? any one got it fitted lately to a 98 4tx ? be interesting to hear your feedback .

#105 Studley Ramrod

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Posted 23 January 2014 - 07:23 PM

Where did you guys buy the relay from? What do you need to know about getting the relay?

 

Looks like the original poster didn't use a relay Alex.

 

From 1st post.....

Since the fuel pump draws so little current (only .7
amps - measured), I decided not to use a relay as
others have done, and wire it directly into the 10A
fused ignition circuit, (this is how the YZF-R6 is
wired as well).

Next to the battery are two existing relays, the
larger one next to the left frame rail is the safety
interlock relay. A input into this relay is the
ignition circuit, after it has gone thru the kill
switch. This circuit is a 'red/black' wire. I tied
the fuel pump positive line (black/blue) into this
wire. Power is applied to the pump only when the
ignition switch is on and the kill switch is in the
'run' position. I ran the fuel pump negative wire
(black) directly to the negative terminal of the
battery.

 


Mk2a 2000 in Silver. Top end Refurb @ 41100 miles, Scottoiler, Renthal Road High Bars, Up & Back Bar Risers, Bellypan, DL650 Handguards, Capt. Picard Bar Ends, House of Henty SS Wheel spacers, New Seat Cover Fitted. 58 MPG !!Studley's mk2a Bloggerydoodaah !Photos of my MK1 Photos of my MK2aTPLQHCSRSFC No. 1 Fan


#106 Scousebil

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Posted 23 January 2014 - 11:39 PM

What's the best R1 age range to try and get a pump from for a mk2? I'm thinking of trying to pick one up on ebay and fitting it

#107 Studley Ramrod

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Posted 24 January 2014 - 12:34 PM

Not sure of what age but you need one off an R1 that has carbs fitted. 


Mk2a 2000 in Silver. Top end Refurb @ 41100 miles, Scottoiler, Renthal Road High Bars, Up & Back Bar Risers, Bellypan, DL650 Handguards, Capt. Picard Bar Ends, House of Henty SS Wheel spacers, New Seat Cover Fitted. 58 MPG !!Studley's mk2a Bloggerydoodaah !Photos of my MK1 Photos of my MK2aTPLQHCSRSFC No. 1 Fan


#108 Scousebil

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Posted 24 January 2014 - 05:43 PM

Ok thanks

#109 Leipzig

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Posted 11 March 2014 - 01:02 PM

Guys,

 

just got installed new pump. Was annoyed of blowing into gas tank each time when carbs get dry. 

Got it from ebay - cheap and easy chinese product:

 

http://www.ebay.com/...GB:1120&vxp=mtr

 

Ordered it last year, but installed only now :) Payed 50 buks.

Attaching was rather simple. Just needed to get fuel line adapters from 10mm pump size to 8mm line size. One wire soldered into flasher relay brown wire that was located near to accu and another one connected to minus on battery. Decided to go without extra relay. With few plastic fasteners attached the pump to frame where old pump stayed. Will check later if some more solid construction should be made.  

The pump itself is the same vacuum pump, but driven by some electric motor. When it pumps the pressure into carbs it just stalls unitl bike is running and it works again. 

 

No more any plastic coke bottles are needed  :tup:  :D :D

 

 




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