Search found 4 matches
- Sun Mar 28, 2021 10:13 pm
- Forum: Users Rides
- Topic: 2009 Kawasaki KLX250SF
- Replies: 6
- Views: 22381
Re: 2009 Kawasaki KLX250SF
From the scope shots, it looks like the average cranking period is about 175ms, which means the bike cranks at about 5.7Hz or about 340 RPM.
- Sun Mar 28, 2021 10:07 pm
- Forum: Users Rides
- Topic: 2009 Kawasaki KLX250SF
- Replies: 6
- Views: 22381
Re: 2009 Kawasaki KLX250SF
There may be a silver lining here: because this is a single cylinder engine, there is actually a measurable slow-down on the compression stroke. If you look closely, you can even see this in the scope shots above: the pulses are not spaced evenly. http://forum.diyefi.org/download/file.php?id=2130 ht...
- Sun Mar 28, 2021 9:54 pm
- Forum: Users Rides
- Topic: 2009 Kawasaki KLX250SF
- Replies: 6
- Views: 22381
Re: 2009 Kawasaki KLX250SF
Tapped into the crank position sensor wires and hooked up the oscilloscope. I was surprised to find out that I have a 1-tooth trigger wheel! :shock: The below scope shots are during cranking (with spark plug disconnected to prevent start-up): http://forum.diyefi.org/download/file.php?id=2124 http://...
- Sat Mar 27, 2021 5:44 pm
- Forum: Users Rides
- Topic: 2009 Kawasaki KLX250SF
- Replies: 6
- Views: 22381
2009 Kawasaki KLX250SF
Hello, I have long wanted to design my own fuel injection system, and I have decided to take the plunge by converting my (carbureted) Kawasaki KLX250SF motorcycle. This thread will detail my efforts. :D Some details: The engine is a single cylinder, originally 250cc, bored to 351cc using a cylinder ...