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125cc Sportsbikes Forum
by diriea
4d ago
Her ..read more
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Help sachs
125cc Sportsbikes Forum
by Baitsboy
1w ago
Is there fuel tap on a sachs 125 xtc 2002 ..read more
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Mito 125 evo
125cc Sportsbikes Forum
by 4dl dunken
2w ago
Hi, after a pillion seat for a Cagiva Mito Evo condition not important. Cheers ..read more
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FB Mondial 125cc 2019- issue with strike up and neutral light
125cc Sportsbikes Forum
by Dawsyy
3w ago
Hi, I’m brand new to motorbikes and recently got myself a mondial hps 125. It runs fine but one day the bike wouldn’t strike up. I took the bike off its kickstand, put it up and the bike struck up as soon as I put the kickstand down it would cut out. It didn’t do that before. Does anyone have any ideas as to why it’s doing that? I’ve also noticed the neutral light isn’t coming on(the bike is not in gear) it did before but it’s not now again does anyone have any ideas why? Like I said I’m... FB Mondial 125cc 2019- issue with strike up and neutral light ..read more
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Knocking/rattling After Full Rebuild.
125cc Sportsbikes Forum
by xjaffacake
3w ago
Hi guys, So I've just completed a full engine rebuild on my rotax 122. This included all case bearings, crank, gaskets and small end bearing, rings and piston were replaced about 500 miles ago. Only thing i didn't do was the cylinder as the compression is ok. I managed to get her started up today and she runs lovely, revs up fine and selects all gears (neutral a bit of a bas***d) The problem is I can hear a loud knocking noise when the engine is idling or very low rpms, this goes away if... Knocking/rattling After Full Rebuild ..read more
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Help me make my yamaha tdr 125
125cc Sportsbikes Forum
by riki iz bosne
3w ago
hello i recently bought a yamaha tdr 125 (belgarda) and i got it for cheap bc it has tons of issues like lights not working and turn signals literally cut out, its leaking oil, doesn't have alneser(starter motor) and probably like 50 other things which i`m not aware of yet so if somebody could send me some photos of their motorbike especially electricity stuff so i could at least attempt to fix them. beware that im not really into motorbikes as this is the first one ive ever had in my life... help me make my yamaha tdr 125 ..read more
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RS 125 2008 starts fine, idles, drives, when driving above 6k rpm (approx power valve open) the bikes power flatlines
125cc Sportsbikes Forum
by StonksGuy
1M ago
As the title says, the power flatlines above 6k RPM, it still drives but stutters alot. I have cleaned the carb and valve tap. Very odd problem but it feels like it is being starved of fuel ..read more
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Cagiva Mito Gasket/ Squish
125cc Sportsbikes Forum
by FixItAgainTony
1M ago
Looking at increasing the squish in my bike, when I rebuilt it I used the thickest gasket available to avoid any potential harm during run in…. now I’d like to measure the squish using solder and see if I could fit a thinner gasket to inscrease squish. How would I go about determining what thickness gasket needed when I get a measurement front and back of the piston… 2001 Cagiva Mito, modified ..read more
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Honda CBR125 2007 Battery Issue
125cc Sportsbikes Forum
by MaureenBrittney
1M ago
Hi all, am currently having an issue with my battery, i brought a new one yesterday and today i took the bike for a ride and then played with the gear shifter as I am having issues shifting up gears after I dropped the bike on the gear side, It was stuck in neutral and then i turned the bike on to check if gears change and I had no lights nor ignition switch so the battery has died again. Some family friends suggested there would be a power leak somewhere in the wiring, but when i connect... Honda CBR125 2007 Battery Issue ..read more
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2016 Aprilia RS4 125 issue
125cc Sportsbikes Forum
by mickymoo1982
1M ago
Hi guys after searching for info on various chat boards and Facebook groups I thought I'd try here, my 2016 Aprillia rs4 125 developed an issue a bit back where when slowing down and throttling off the bike would cut out around 5000 to 3500 revs. After a deep clean and service the issue disappeared but has no come back with avengance. After changing the plug, injector, O2 sensor, regulator, and oil,fuel and air filters the bike will only ride around half a mile without cutting out when... 2016 Aprilia RS4 125 issue ..read more
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