As I said in my intro thread I was given this little bros 400 by a chap I helped out a few months back, As far as he can remember the bike has been in his garage for about 5 years, he couldn't remember why it was off the road but the fuel tank had the wrong petcock partly fitted, he did have a new one that he had to order from the UK.
At this point I should give a little background info, South Africa never officially imported any 400cc bikes until recently and because of this most dealers will not stock or even order any parts for these bikes so getting parts means either ordering from overseas or getting pattern parts where available, also with my location being a rural area the nearest honda dealer is about 160 km away.
So this bike was also left with a carburetor full of fuel.
I had a brand new battery for it so first thing when I got the bike here was to fit it and turn on the ignition.....Nothing, dead... Bugger. I've just spent a month rewiring my little KLR250 and also had an earth wire on my GS1000G burn out so was getting tired of playing with wires. turned out it was just a fuse so not too bad then, replace the fuse, turn it on bang... fuse gone again.
Three days later (I only get a couple of hours a day to mess in the garage) and I trace the fault to the fuel pump relay, as soon as I take the relay out the fuse doesn't blow so next step is
to bypass the relay to check the pump, that's also dead, I managed to find a pump at the nearest car spares shop that was the right diameter and wasn't too big.
The Carbs. I knew that they needed cleaning so didn't even bother trying to start the bike, just took them off and stripped them, cleaned out all the jets and blew through the passages with an
air gun, cleaned as much brown sticky gunk as I could from the float bowls using a toothbrush and lots of petrol. 20210811_140418_HDR.jpg Put it all back together fitted the carbs, the new pump and the fuel tap in the tank
put some fuel in the tank and hit the start button, the pump filled the carbs so that was a good start but even though the engine turned over fine it wouldn't fire.
Remove a sparkplug and spin the motor... No spark, so back to checking wiring, There was no neutral light on so pull the idiot light cluster out and check with a multi meter, nothing. find the neutral switch and check it, it's stuck so a bit of lubrication and a couple of taps with something smaller than my favorite hammer and it works again, still no spark, all the other safety switches are
all bypassed so that's not the problem, Another coupe of days and I finally find the fault, I did all the tests listed in the hawk manual and found no signal from the pick ups to the cdi, there is a small connector block hidden behind the frame rail near the headstock that had been pulled apart, It was corroded and covered in dirt so I cleaned it as best as I could, plugged it in and yes we have a spark. but still not firing up.
remove the carbs again, check everything again and find both pilot jets blocked again and a problem with the choke circuit, had to leave it for a couple of days to have a look at a neighbors sons bike, an Italjet from the 70's that he just bought (he's only 8 so I wanted to try to get it running for him as quick as I can,)
This morning my plans got changed so I had a couple of free hours to play with the bros. I put the carbs back together and fitted them added some fuel to the tank and hooked it up temporarily
and turned on the ignition, gave it a few seconds for the pump to get the carbs wet and hit the button, It cranked over for a couple of turns then started to show signs of life, I opened the choke and it started,
IT LIVES
Now that I know it does have life in it I can start repairing all the other things, like finding a new front brake reservoir as the old one had emptied itsself all over the front mudguard due to perished seals and giving it some new oil,( the previous owner didn't know there was an oil filter on the bike so I have no idea when it was last changed.
I'm going to start calling this thing FrankenHonda as it's going to end up as a colection of whatever I can find that will fit and work to get it roadworthy again.
I have already changed the fork seals and fitted a pair of Yamaha rear indicators, going to a bike shop tomorrow to see what I can get to fit the other bits that are wrong or broken.
20210830_112243_HDR.jpg 20210810_114248.jpg 20210810_122234.jpg
20210811_140912.jpg
At this point I should give a little background info, South Africa never officially imported any 400cc bikes until recently and because of this most dealers will not stock or even order any parts for these bikes so getting parts means either ordering from overseas or getting pattern parts where available, also with my location being a rural area the nearest honda dealer is about 160 km away.
So this bike was also left with a carburetor full of fuel.
I had a brand new battery for it so first thing when I got the bike here was to fit it and turn on the ignition.....Nothing, dead... Bugger. I've just spent a month rewiring my little KLR250 and also had an earth wire on my GS1000G burn out so was getting tired of playing with wires. turned out it was just a fuse so not too bad then, replace the fuse, turn it on bang... fuse gone again.
Three days later (I only get a couple of hours a day to mess in the garage) and I trace the fault to the fuel pump relay, as soon as I take the relay out the fuse doesn't blow so next step is
to bypass the relay to check the pump, that's also dead, I managed to find a pump at the nearest car spares shop that was the right diameter and wasn't too big.
The Carbs. I knew that they needed cleaning so didn't even bother trying to start the bike, just took them off and stripped them, cleaned out all the jets and blew through the passages with an
air gun, cleaned as much brown sticky gunk as I could from the float bowls using a toothbrush and lots of petrol. 20210811_140418_HDR.jpg Put it all back together fitted the carbs, the new pump and the fuel tap in the tank
put some fuel in the tank and hit the start button, the pump filled the carbs so that was a good start but even though the engine turned over fine it wouldn't fire.
Remove a sparkplug and spin the motor... No spark, so back to checking wiring, There was no neutral light on so pull the idiot light cluster out and check with a multi meter, nothing. find the neutral switch and check it, it's stuck so a bit of lubrication and a couple of taps with something smaller than my favorite hammer and it works again, still no spark, all the other safety switches are
all bypassed so that's not the problem, Another coupe of days and I finally find the fault, I did all the tests listed in the hawk manual and found no signal from the pick ups to the cdi, there is a small connector block hidden behind the frame rail near the headstock that had been pulled apart, It was corroded and covered in dirt so I cleaned it as best as I could, plugged it in and yes we have a spark. but still not firing up.
remove the carbs again, check everything again and find both pilot jets blocked again and a problem with the choke circuit, had to leave it for a couple of days to have a look at a neighbors sons bike, an Italjet from the 70's that he just bought (he's only 8 so I wanted to try to get it running for him as quick as I can,)
This morning my plans got changed so I had a couple of free hours to play with the bros. I put the carbs back together and fitted them added some fuel to the tank and hooked it up temporarily
and turned on the ignition, gave it a few seconds for the pump to get the carbs wet and hit the button, It cranked over for a couple of turns then started to show signs of life, I opened the choke and it started,
IT LIVES
Now that I know it does have life in it I can start repairing all the other things, like finding a new front brake reservoir as the old one had emptied itsself all over the front mudguard due to perished seals and giving it some new oil,( the previous owner didn't know there was an oil filter on the bike so I have no idea when it was last changed.
I'm going to start calling this thing FrankenHonda as it's going to end up as a colection of whatever I can find that will fit and work to get it roadworthy again.
I have already changed the fork seals and fitted a pair of Yamaha rear indicators, going to a bike shop tomorrow to see what I can get to fit the other bits that are wrong or broken.
20210830_112243_HDR.jpg 20210810_114248.jpg 20210810_122234.jpg
20210811_140912.jpg
Comment