♠️ MARCEL

Hey,

It sounds famously like the dreaded 60mph (95kmph) bug that happens to faulty coils or clogged carbs.

Remove your spark plugs and clean them   (50/50 chance they may need replacing if they aint sparking hard anymore)

Get a meter , put red wire inside HT cap.  Black wire on the frame.  You should read 6,000 ohms max (6k) for the coils .…[Read more]

Should be 15A fella 👍

It would be easier to look at your spark plugs, take them out youself so we see what your engine is doing ?

CR8E is the stock plug thats correct.

The aftermarket route was just to fabricate some mini STAGE6 cluster and  read the custom fitted sensor near the bottom engine casing.

The 250rs have oil coolers and since the dash is off a 650. It has the TEMP bars switched off on carby models (650 has a water radiator but what gives? Lol)

The EFI 250 came later with a new display off the…[Read more]

Welcome to the site fella .  Never to late ti be back on the 2 wheeler life , dont exit it again too soon 😉

As for GV250.  Ive been working with another member to sort his EFI model as it had some running issues.

If you are able to provide the year it was made eg.  66 plate etc.  As GVs  have 3 types of ECU.

A list of specific bits miss…[Read more]

The gv650 read the temps of the radiator and displays it on the dash
the absense of an oil cooler (like the SV) probably means it probably wasn’t intended to have extra sensors for oil related functions of the gv bikes

I couldn’t have imagined Hyosung spending extra R&D to do a oil pressure related work & display it on the dash ,  maybe not…[Read more]

You are correct, it is usually a custom mod thing,

check this out…

GV650 oil pressure

Hey,
Sucks to hear about the drop,  trust me i’ve dropped mine in the garden and could hear the wallet crying lol.  But with a good chassis, its mainly cosmetics to fix up

Speaking of , the  master reservoir fits any hyosung GT/GTR if it has 7/8″ fitment,  some Aquilas have 1 inch bars (fatter), so you would have to confirm which one it is  , ev…[Read more]

Hey sorry i replied late.

Go open the pillion seat.  Then look  INSIDE at the LEFT SIDE of the bike to access a fuse box.

It should be 15A standard blade fuse.   Try that first and let us know if that work?

Usually when a fuse blows , a device on the bike is either dead or some wires touched the frame etc  (wiring harness inspection)

Hey,
What spark plugs do you have?  Can we see them so I can judge if the carb is rich or not.
Spark plugs will also tell us if your ignition system is good.

Just click “add media” above the reply box to add a few pictures in to this thread.

Until we get more info,  your story is commonly:
– Ignition Coils.
– HT Caps
===lots of cranks ^ might m…[Read more]

Hey,
The problem you describe is very commonly 2 things at play here:
–  Battery is too small (life is shortened) – It must be size 12-14AH (Yuasa YTX 14BS is good)
– Regulator = All hyosung branded regulators use the old “diode” tech (1970s), so once they get hot , they start to die rapidly which is annoying. It is probably #2 most annoying…[Read more]

Good to hear. Ride steady

I wouldn’t plug anything , the bottom overflow stays open also yes. Fuel in tank can hydro lock along the lines if there is vent issues on cap or tank.

It’s the whole cap that usually gives us drama.

The rear pump will be happier when the EGR is blocked yes.

Feed the rear pump straight from the intake manifold 👍

Tank Cap.

Fuel may evaporate and venting issues might crop up on a hot day sometimes.

Id replace the cap as its not user repairable. Seals tend to stay attached to the cap also.

P = blocked with a fat bolt or bung, that stops the fake emissions pump. also block the hole UNDER THE AIRBOX (where P was)
B = overflow / crash drain pipe , it goes to the GROUND (the lines goes along frame till it sees the floor, AWAY FROM EXHAUST PIPES)
C = to tank #2
Tank #1 = Fuel overflow to the ground (like your carb as i explained) ,…[Read more]

Hey,
Adding to Andy’s comments , there is indeed a couple of 650 guys on the forum much  1 on of them has owned a 2007 650 GTR for 12+ years from new, so he has certainly got wisdom too he shares on facebook, it is Barry

Speaking of , good that you are back on the bike, all that’s left is good memory excercise by checking out one of the service…[Read more]

Okay i see the dash, it has the mechanical fuel sender

Speedo,
Not sure if it was done before, but if the cable is removed and the front wheel drive has been cleaned off foreign debris,  refit it all back & go for a quick test ride.

if not, my bet would most likely be that the speedo drive could be replaced for another ,  if it was new as you s…[Read more]

Hey Lola & welcome,

Your profile says GTR250 but its a naked you mentioned? So i will assume this is talking about manual speedos  (rather than a digital screen)

Let’s try this…
1. Has the cable been inspected?   If so (& is new)  ,then consider the “speedo drive” which is attached on the left side of the front wheel.
or
If you have a “BL…[Read more]

It may either be your shift forks / praws that select gears.  I would have hoped this was a clutch issue  (most cases) but that shifting behaviour you describe , reminds me of my ex- kwak bikes with true gearbox issues lol.

Refer to the screenshot pages here, so you see the layout too.

Be careful undoing the nut that contains the gear cam s…[Read more]

You can always get a big sheet of it , and some good patience with heating materials (ie. heatgun, & apply it to the areas where scratches are most likely going to happen.