Friday, 2 August 2013

cagiva mito 125 basic service maintenance and repair guide

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basic cagiva mito 125 maintenance

drive chain and sporkets

chain stretch , maintain regular lack of maintence will
damage your sprocket more quickly.
check for play via WSM .

oil the chain whilst warm after being ridden .

brake pads

check pads visually for friction material wear , replace when low
but long before they may damage disc .


check fuid levels (uper-lower levels)

air filter

clean frequently AFTER cleaning reoil the filter element
without oil you filter is useless .

spark plug

inspect for wear , wire brush clean , re gap or even better replace
they are cheaper than chips .
makes sure you fit exact spark plug .

Fuel system

inspect fuel tap and pipes , clean filter on the tank and at the carb and any inbetween.


clean filters in tank and carb if you suspect fuel starvation ,if not used for long intervals
turn off fuel but expect to clean carb out before reusing bike
ive known this to occur after only a few weeks

cagiva mito 125 tm35 carb strip out video

ill do a dellorto video soon as !!

28mm dellorto strip down video 


Mikuni tuning guide
Mikuni install guide
Mikuni performance guide



make sure all cable are in good order no fraying or other damage make sure all are adjust correctly
especially the oil pump setting < visually check oil is being delivered
i do this everyday maybe more often .

idle speed

make sure this is set correct after adjusting cables .

cooling system

check coolent level , check for leaks ,check fins of radiator for blockage clean if ness ,
signs of water in the oil then seals could be gone on the water pump , rust coluoured ? flush system and clean , check anti
freeze levels after , you can test thermostat in hot water if you want to also
but not really basic maintenance .

Rave valve

regular maintenance of this is important as deposits on blade with cause bad running and wear soloniod faster ,
remove valve from cylinder and clean thoroughly .
fit as per WSM and adjust cable and pv gaps correctly !!

exhaust and silencer

clean these out at regular intervals ( not cat models just silencer) replace gaskets on refit .

transmission oils , 2t oil

obvioulsy 2t should be checked daily , it seems to happen a lot where people run out of 2t
this is stupid these bike will last about 3 or 4 miles if you lucky with 2 stoke oil this should be a daily
check or even after every journey , also check that your pump is delivering the 2t correct and check for sir locks
and bleed oil pmup through some times water can acumulate in bottle and this seems to block line , i always bleed oil pump
untill good clean oil is coming out .

check the  level stick on engine for oil levels regular , top up where neccesary and replace regular .
as per WSM .

check brake system over

check levers and pedals for correct operation , any looseness , out of shape or any damage whatsover replace , make sure all mounts
and brackets banjo bolts etc are tight and not leaking , check pads for wear see earlier , and top up fluid levels ,check alll hoses for
twists damage etc , if brakes are spongy then bleed brakes , i change the fluid on all new bikes i get completely i flush new fluid by bleeding untill
clean fresh oil comes out , check  brake lights and switch function correctly , inspect the discs for any damage scrathes out of true , wear etc ,

wheels and tyres

check tyre condition and tread depth , check  wheels for balance , and check bearings for excessive play  .


very important to keep regular checks on your suspension .

check  for binding during forks operation , inspect forks for signs of wear , corrosion and pitting , check the oil seaks for signs of weepage
replace where any problems are found .
inspect rear shock for wear and any signs of leakage ,
there should be no binding in operation or any side to side movement of swing arm , tighten nuts if any movement is found ,
pull wheel upwards there should be no play , if this is felt its possbile wear of bearings / or linkages , or mountings replace where needed .

steering head bearings
check for play and replace where neccesary (see WSM) .

lighting system
check all lights and indicators for correct operation and adjustment
check the contacts or bulbs and repalce where neccsary .
problems can occur due to corrosion within the connector blocks
these must be cleaned regular .

stand and oiling
should be lubicated regular as these are exposed to elements , alond with other exposed
items such are levers , foot rests , brake levers , chain cables , check operation of the stand switch .

oil pump
check that throttle operate pump smoothly , and that all adjustments are correct
ensure scribe mark on pump are aligned perfectly .
check all pipes from and to the pump are safely connected
any leakage must be corrected as ths cause oil starvation to
engine .
at high milage or after siezure clean out the oilfilter or
replace pump altogether .
always bleed pump after fitting or hose removal ,
bleed untill good oilis seen leaving the pump ,
see above video on how to test pump any testing or bleeding should be done with
premix oil in tank to avoid engine damage .
CHECK oil tank level and CHECK oilpump operation daily or even prior to every journey!!.

compression test 

see the post named after this process in the blog
archives  or click here , this is an important test and should be
done weekly , if you dont do this and your engine siezes 
then you only ave youself to blame.
low compression signals piston/piston ring wear 
and these must be changed as soon as the compression 
becomes too low .

piston change
easy yo do see the dedicated posts to these or click here
ill be updating and making better videos, and posts
and pictures as i go .

front forks oil / seals change


again very easy to do hardest part is removing the forks from the bike
but ill do a video on this soon !! .

 7.5W oil, 420ml per leg

(actually rs125 clutch but very very similar ill do a cagiva one soon)


to be continued .

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