xv750 starter probs

[Wired1]

Phew, well your bike should idle at 1000 rpm when warm so when it has been running for a few minutes adjust the large screw on the carb right by the throttle cable. Actually get yourself the manual, there is always a Haynes on Turdeme at the moment and it is not a bad read. The battery will probably only ever read about 14 volts when charging so that sounds right, afterall as long as it is more than 12 volts it will be charging so the problem is most likely either the battery or the starter motor. The fully charged battery should read slightly over 12 volts at rest and without anything attached to it so I would try swapping the battery out with the one from your GN, it probably isn't as big so it will only start the bike once or twice. All these bikes like a fully charged battery so if the battery is a bit soggy it will give you problems. Last resort is to get the starter motor fixed, I have done the bearing and seal in my last two bikes and it costs about $14 in parts plus the labour so should come out around $60 with any luck. It is something you can do yourself if you are careful and have a small amount of skill, it's a bit like nailing jelly to a tree.

[degrom]

You say it's like nailing jelly to a tree... I might have a go at it!!! LOL

[Wired1]

It's one of those things where you need an extra arm. I have tried the wife's but she normally gets annoyed with me and tells me to fornicate elsewhere. My teenage son has a similar lack of patience with me on this job. You can do it with one person as I have found, just take your time and lay everything out carefully as you dissassemble and clean.

[imdying]

11.89 is shitty... I take it it turns over slowly?

[degrom]

Yes... The first turn goes fine but if it did not start straight away it goes slower and slower.

Could it be that if the starter is finding it hard to turn the motor, that the spark is also getting weaker?

[degrom]

How long does a battery last? the previous owner had it for a year. They replaced the battery in that year and the person before them replaced the starter...

[Wired1]

In the good old days a battery would last 5-10 years but nowadays it seems we replace the work van batteries every two years. If your fully charged battery won't do more than one start then it is too small or buggered. If you have had the starter motor replaced then it must be the batrtery. Check that the battery is the right one in the manual or check with the battery manufacturers.

[imdying]

Yes... The first turn goes fine but if it did not start straight away it goes slower and slower.

Could it be that if the starter is finding it hard to turn the motor, that the spark is also getting weaker?

Perhaps, but it sounds more like the battery is rooted.

[Wired1]

Perhaps, but it sounds more like the battery is rooted.

A bit technical but I agree.

[degrom]

Thanks... I will try to get a replacement battery ASAP. Then if it is not the battery, I can at least tick off one of the possibilities...

[imdying]

You'll need to check that the battery is recieving good voltage (over 13.5 would be nice, less than 15) when the bike is at say 4000rpm. If it's not, then that'll be what rooted that last one Make sure it's not too high though, too much will root the battery as quick as too little.

[Wired1]

You'll need to check that the battery is recieving good voltage (over 13.5 would be nice, less than 15) when the bike is at say 4000rpm. If it's not, then that'll be what rooted that last one Make sure it's not too high though, too much will root the battery as quick as too little.

It's all rooted with you isn't it?

[imdying]

Gotta tell it how I see it

[Triker200]

Hello everyone
I am having problems with starting my XV750, it is an intermitant fault that happens only on occasions, switch all systems on, all good, press the starter, all good, fires up and runs like a dream.

The problem comes when i press the starter and get a loud repeated clicking from the front end of the bike, but a more startermotor turning 2 wheels or cogs grinding against eachother, this will do this for a bit and then turn over once, and then back to the clicking and grinding.
Battery has been checked and working no issue, so it moves me on now to internals of the starter motor, starter clutch, starter solenoid, and starter flywheel. all of which are very expensive in the uk with yamaha wanting just over £300 for starter motor and another £250 for starter clutch, which i am prepared to spend if needed, has anyone experienced this before and know a bit more about it so i can avoid spending money that i do not need to.

Cheers
Simon

[Ixion]

Ah, the dreaded XV750 starter. Take consolation in that you are not alone. The insane asylums are full of people who started out with just the same problem as you

The problem is two fold. The starter motor is crap. And the starter drive is crap. The combination, sucks syphilitic donkey dick.

After market starters are both much (MUCH) cheaper, and much (MUCH) better than OEM. ebay (usa ebay) is your friend, there are two or three companies advertising them on there all the time. Prices are much the same, but make sure (SURE) that you get a four pole one.

Then pull off your left hand engine cover (helps to have a workshop manual here). Be careful of the wires at the rear. Inside is the starter drive. (you'll have to pull the cover off to fit the new starter anyway). Nothing difficult , just a few screws and bolts. Oh, drain the oil first.

Now in the Heath Robinson mess of gears levers springs pulleys windlasses and windmills that comprise the starter dive are (or should be) two wire thingies that look like the Marquis de Sade's idea of a cock piercing. Sort of bits of heavy guage wire with a loopy bit sticking out. You'll understand when you see them (if you understand already you probably have much in common with the noble Marquis)

These break , wear out, and come adrift, which is the usual cause of starter drive noise and malfunction. There is also a little light conical spring that has an irresistable lemming like suicide instinct to get itself mashed in the gears. Being as it is about three inches in diameter and the thickness of a hair, it doesn't take much to mash it. Recover the remains of all these, replace as necessary and refit correctly (three hands and 14 inch triple jointed titanium fingers help here, and an assistant small enough to climb down inside through the oil filler is indispensable (you'll need a little ladder for him also)

The other thing that wears out, but not as often as some people claim , is the actual gear thingy on the flywheel whatsit. If that's worn out, you may as well just go and stick your head in the gas cooker right away.

Good luck