The search syntax has recently been improved, with term negation and phrase search capability added. Read more about the search syntax and operators in the search guide.
Hint: try the advanced search functionality if you have too few or too many results.
Another hint: check the spelling of your search terms - the search function searches for the words exactly as they appear.
Bore: 124 mm
FR 4M 6763 cm3/412.7cuin