Very poorly DRZ 400E
- Thread starter gazuk
- Start date
No idea.
I gave him the bike thinking the carb was the problem as it would only run on the choke. He flushed through the carb and then had to investigate further. He did the minimum possible to give me a prognosis as to keep my costs down.
He kept me informed at various steps and when he thought he knew what the problem was he said it was not worth going any further. At 50 quid an hour I had to agree.
I now have a starting point if I wish to have a go myself. I would never had thought it was the values, with my limited knowledge I was sure it was the carb and probably gummed up with old petrol.
The bike is now back with me in one piece.
What was the actualy problem? would the bike not start unless on choke? did it stall easily without any encouragement?
Was there much noise from the top end of the engine?
Thinking about this a bit more, I do have a couple of items in my DRZ hamper that may be of use -
1. A complete DRZ engine in bits. It has a rather poorly piston in it but I can supply this with a brand new piston.
It comes in 3 boxes and I'm reliably told it's all there.
It certainly looks as if it is, even down to the wiring.
2. A complete built DRZ engine. I've never heard it running but again I'm reliably told it's all complete and ready to go.
Both of these items came to me via this site as part of a DRZ package.
I wasn't planning to sell either of them and I would kind of prefer to keep the ready to go engine but the one in bits is certainly surplus to requirements.
I've no idea on price but if they were of interest then I'm sure we could sort something out and I'm up near Norwich and suspect that post will be out of the question so they will need to be collected from here or meet up somewhere convenient.
1. A complete DRZ engine in bits. It has a rather poorly piston in it but I can supply this with a brand new piston.
It comes in 3 boxes and I'm reliably told it's all there.
It certainly looks as if it is, even down to the wiring.
2. A complete built DRZ engine. I've never heard it running but again I'm reliably told it's all complete and ready to go.
Both of these items came to me via this site as part of a DRZ package.
I wasn't planning to sell either of them and I would kind of prefer to keep the ready to go engine but the one in bits is certainly surplus to requirements.
I've no idea on price but if they were of interest then I'm sure we could sort something out and I'm up near Norwich and suspect that post will be out of the question so they will need to be collected from here or meet up somewhere convenient.
David1979
Registered user
E model only difference is the carb and exhuast,so S engine should do.
Theres different cams in the E too
Carb
Hi
Only running on choke sounds like a carb issue .
Blocked pilot jet or passage ways within the carb . A good clean and resetting should sort that.
Or borrow / buy a second hand carb of a runner .
Hi
Only running on choke sounds like a carb issue .
Blocked pilot jet or passage ways within the carb . A good clean and resetting should sort that.
Or borrow / buy a second hand carb of a runner .
I think I'd be taking this to someone who knows what they're talking about Even if you have valve or valve seat recession then surely all you have to do is either Change the shims to give you clearance or replace the Valve seats
Do a compression test on it and it if you can get it to run till hot do it again and see if it looses compression
If it does that would appear to mean that the valve clearances are closing when hot
It sounds like your mech didn't want the job! And made shitty excuses!
Getting a head off is not rocket science on a single so don't be giving up too early!
Do a compression test on it and it if you can get it to run till hot do it again and see if it looses compression
If it does that would appear to mean that the valve clearances are closing when hot
It sounds like your mech didn't want the job! And made shitty excuses!
Getting a head off is not rocket science on a single so don't be giving up too early!
Thats what I thought, especially as petrol does occassionally come out of the overflow pipe (float bowl issues possibly).
But mechanich reckons he flush that through and its not the problem. He says the values have gone into the head and the air/fuel mixture is incorrect so thats why it only runs on choke. Although it now doesn't run at all.
Thanks very much for the offer. I may be interested when I decide what I'm going to do.
That would be my first choice. I just need to find someone.
Failing that I may dismantle it myself, sounds like there's lots of useful knowledge on here, and then there's always thumpertalk.
I think I might start with removing the carb and getting that checked.
Valve problem
Hi
Sorry but poorly seated valves normally mean very poor or no compression.
No compession no run !!!!!!!!!
If I was closer I would have a look at for you.
I am of the opinion either he (the mechanic ?) has not got a lot of mechanical knowledge or did not want to do the job.
Hi
Sorry but poorly seated valves normally mean very poor or no compression.
No compession no run !!!!!!!!!
If I was closer I would have a look at for you.
I am of the opinion either he (the mechanic ?) has not got a lot of mechanical knowledge or did not want to do the job.
How he explained it to me was the valves had sunk into the head stopping air getting into the mixture which is why it would run on the choke.
But to be honest he could have said the little green pixes that push the piston thing around had just developed ashma and need different expensive medicene, and I would be none the wiser
How he explained it to me was the valves had sunk into the head stopping air getting into the mixture which is why it would run on the choke.
But to be honest he could have said the little green pixes that push the piston thing around had just developed ashma and need different expensive medicene, and I would be none the wiser
oh dear - time to get a new mechanic - clearly an incompetent fool
oh dear - time to get a new mechanic - clearly an incompetent fool
True, scary what so called mechanics have to say, hope he didn't pay him much :-(
I take it from the replies that i have been fed a load of bollox
I take it from the replies that i have been fed a load of bollox
Ehm Yes definitely sounds like it
IF it were me I would get the carb off and send it away and get it ultra sonic cleaned
And then I would try something in the tank to remove gunge maybe some acetone (IF it's NOT a plastic tank ???) maybe methanol if it is and clean the tap out as well while it's off OR replace it if it is cheap?
And whilst the carb is away being cleaned I'd check the valve clearances and make sure they are right for it coming back
Harv
Registered user
For another tuppence worth from an ex DRZ man....I had one that regularly blocked up its carb in a similar manner...it was eventually found to be a gasket breaking up.
I had a couple of sessions with an air line and some 'jet needles' but in the end I had it cleaned and re-built with all new gaskets.
Symptoms were the same as hitting reserve...engine dying and then re-starting if you leyed the fekker on its side (I did a lot of that....)
I had a couple of sessions with an air line and some 'jet needles' but in the end I had it cleaned and re-built with all new gaskets.
Symptoms were the same as hitting reserve...engine dying and then re-starting if you leyed the fekker on its side (I did a lot of that....)
oh dear, someone is definately off my xmas card list.
Took poorly DRZ to another local mechanic who I had heard good things about. Gave him instruction to remove carb and clean it.
Had a call from the guy later in the day saying that he'd drained the float bowl, squirt of easy start on the air filter and it now runs fine.
Rode it back from mechanics and it does indeed run fine. Only time will tell whether the carb needs more attention.
Unfortunaely I had already purchased a replacement green laner, so looks like I have a spare now
Took poorly DRZ to another local mechanic who I had heard good things about. Gave him instruction to remove carb and clean it.
Had a call from the guy later in the day saying that he'd drained the float bowl, squirt of easy start on the air filter and it now runs fine.
Rode it back from mechanics and it does indeed run fine. Only time will tell whether the carb needs more attention.
Unfortunaely I had already purchased a replacement green laner, so looks like I have a spare now
Glad you have your bike fixed
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