I have replaced coils and plugs also pickup rotor and signal generator. still no spark to plugs the primary side of coils have 12v drops to 9 when trying to start.
Use a digital multi meter to check it.
SOURCE: 97 gsxr600 no spark
This might sound dumb but I had a similar problem with my 05 750 tap the bottom of the ignition switch with a hammer or what ever you can get in there and see if that works, there are contacts on the bottom of the switch and on my mike they turn on the fuel pump and spark, I went through hell trying to figure it out and one day I decided to hit the bottom of it and the fuel pump kickied on, the cover on the bottom of the ignition was put on backwards and had loosened up, I switched it around and she runs great now.
SOURCE: 98 bandit 600 hard to start when engine warm
No not cdi - u r running super rich U need to rebuild carbs
SOURCE: 83 yamaha tt600e no spark
The CDI unit on the 83 model (TT600) is located under the fuel tank and suffers from heat
exposure.The solution is to get specialist help to open up the sealed CDI unit and repair/
replace internal connections (which are readily available electronic components)
When you re-install it put some heat shielding material there to protect it and this
will be OK as repair will utilise stronger parts,I think.
Later models have the CDI unit moved to the head-stem area.
(this info from a Non-mechanic who remembers what was done to his TT in Australia, many years
ago)
SOURCE: 99 gsxr 750 losing power after 10k rpm if you have
The carburetor jets, there are 3 bands; A low, mid range and high range rpms. 10k would fall in the Mid range power. I would let the bike warm up a little bit and tweak the middle knob on the left side of the bike and keep in mind you need the right mixture so turn it quarter turn one way at a time per testing the mid range rpms while riding, tweaking 1/4 turns in between tests. If it gets worse, turn it the other direction until you find that sweet spot in the mixture of fuel/oxygen. The carburetor jets, there are 3 bands; A low, mid range and high range rpms. 10k would fall in the Mid range power. I would let the bike warm up a little bit and tweak the middle knob on the left side of the bike and keep in mind you need the right mixture so turn it quarter turn one way at a time per testing the mid range rpms while riding, tweaking 1/4 turns in between tests. If it gets worse, turn it the other direction until you find that sweet spot in the mixture of fuel/oxygen. The carburetor jets, there are 3 bands; A low, mid range and high range rpms. 10k would fall in the Mid range power. I would let the bike warm up a little bit and tweak the middle knob on the left side of the bike and keep in mind you need the right mixture so turn it quarter turn one way at a time per testing the mid range rpms while riding, tweaking 1/4 turns in between tests. If it gets worse, turn it the other direction until you find that sweet spot in the mixture of fuel/oxygen.
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