BP strter relay clicks and bikes a push start

m4panther

what causes it to click like crazy? is it a bad relay or bad solenoid at the starter, weak battery whats the deal?.

m4panther · Posted: Fri Oct 06, 2006 9:03 pm Post subject: Here's a kick in the pants

with the starter cover removed gears out I tried to start it I got only 6 volts at the starter, it turned and the clicking stopped? battery is good! is the starter bad? or relay

phlat65 · Moderator Joined: 13 Nov 2003 Posts: 703 Location: Seattle

check the input and outpot voltage of the relay. corrosion of connectors common on these bikes

phlat65 · Moderator Joined: 13 Nov 2003 Posts: 703 Location: Seattle

also, a bad battery can show 12v with no load, then drop rapidly with load. what is the voltage at the battery while trying to crank?

DAVID THOMPSON · Posted: Sat Oct 07, 2006 9:17 am Post subject: relay

my rt 125 did same thing

1load test battery
2 jump big contacts on relay and see what happens
or try a different relay
here in the usa the relays on lawn mowers die and about 80% of the time
you can drill out the ribits clean the contacts and they work again
but the motorcycle ones are junk when you take them apart

3 contacts inside relay bad

4 yamaha number 4KD-81940-00 same as RT125 may fit other MZ Bikes
i paid $28usd in 2003 at a aftermarket atv shop

m4panther · Posted: Sat Oct 07, 2006 12:10 pm Post subject:

I tried the load test and it drops to 6 volts... so hey that battery lasted me a long time

Wonky · Joined: 14 Sep 2006 Posts: 224

Sounds like a battery issue to me, last week i left work, started no probs, drove 4 miles to my mates house to drop off some tuning parts, chatted for 10 minutes, jumped on my bike and.......nothing! Battery died! Some clicking from realys, etc but not enough juice to crank her up. New battery next day, thump thump thump thump thump...brrrrrrrr.......sorted.

DAVID THOMPSON · Posted: Sat Oct 07, 2006 6:50 pm Post subject: beats

going dead now beats the hell out of going dead at 5:30am some cold morning in dec Smile

while headed to work
as a school bus driver
i need to be on time
so my bike runs with a 3 battery system and a way to run just the cdi ingition
off a battery if all else goes to crap
there are 3 batterys on my rt125 1 15ah in ori location 1 17 ah in saddlebag
runs stater 1 4ah under seat runs cdi and coil when switch is flipped under seat
if it does not run when i get done with the switches its time to bring out the pickup truck

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