Referensi Materi Inst. Otomotif

http://id.wikipedia.org/wiki/Mesin_dua_tak
http://nanozr.co.id/article/cara-kerja-mesin-2-tak
http://id.shvoong.com/products/auto/2144255-perbedaan-mesin-tak-dengan-mesin/
http://ratmotorsport.wordpress.com/2009/09/26/modifikasi-mesin-2-tak-basic/

http://ratmotorsport.wordpress.com/2009/04/28/mengenali-cara-kerja-mesin-4-tak/
http://www.anakunhas.com/2011/10/cara-kerja-mesin-diesel-4-tak.html
http://id.shvoong.com/exact-sciences/1923294-cara-kerja-mesin-tak/
http://id.wikipedia.org/wiki/Mesin_empat_tak

http://469racing.wordpress.com/2009/11/06/mengenal-cdi-lebih-dekat/
http://motorbandung.com/rangkaian-sirkuit-cdi-motor-motorbandung
http://getfreeartikel.wordpress.com/tag/cdi-racing/
http://darwin1997.indonetwork.co.id/1485185/cdi-racing-sensor.htm

http://www.situsotomotif.com/forum/kaki-kaki/3454-apa-fungsi-spring-per-dan-shock-breaker.html
http://id.wikipedia.org/wiki/Peredam_kejut
http://www.kiosonderdil.com/fungsi-shockbreaker-atau-suspensi/