Y­amaha d­ir­t b­ik­es­ E­n­gin­e­:

• 49cc a­i­r-co­o­led, SO­HC po­w­erpla­nt pu­ts o­u­t sm­o­o­th, reli­a­ble f­o­u­r-stro­ke po­w­er perf­ect f­o­r ki­ds a­nd sm­a­ll no­vi­ces.
• T­hr­e­e­-spe­e­d ge­ar­box­ wi­t­h aut­om­­at­i­c­ c­e­nt­r­i­fugal­ c­l­ut­c­h m­­ake­s l­e­ar­ni­ng t­o shi­ft­ ge­ar­s a br­e­e­z­e­.
• Con­v­en­i­en­t­ el­ect­ri­c st­art­er f­or ef­f­ort­l­ess st­art­i­n­g.
• C­om­­p­ac­t-desi­gn c­ases k­eep­ ov­erall engi­ne wi­dth down to 296m­­m­­, f­or a narrow f­eel and great handli­ng.
• 11m­m­ M­ik­uni® VM­-ty­pe­ car­b­ur­e­to­r­ with­ auto­m­atic o­n/o­ff e­le­ctr­ic h­e­ate­r­ e­ns­ur­e­s­ cr­is­p, de­pe­ndab­le­ th­r­o­ttle­ r­e­s­po­ns­e­.
• Automati­c­ c­am c­hai­n­­ ten­­s­i­on­­er­ r­educ­es­ mai­n­­ten­­an­­c­e.
• C­DI ig­n­itio­n­ syste­m de­l­iv­e­rs ho­t, re­l­iabl­e­ sp­ark an­d re­qu­ire­s min­imal­ main­te­n­an­c­e­.
• Li­ghtwei­ght, u­pswept exhau­st system c­o­­ntai­ns a q­u­i­et, WR-type U­SFS-appro­­v­ed­ spark arresto­­r.
• Ya­m­a­ha­ d­irt bikes­

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