Gearbox specification Manufacturer's designation - BE1/5 Number of gears - 5 forward gears and one reverse gear Lubricant Lubricant type/specification: Models up to 1986 - Multigrade engine oil, viscosity SAE 10W/40, acc. API SG/CC...
General Description of BE1 Manual Transmission The BE1/5 type manual gearbox found on models with XU series engines is significantly different from the BB8 gearbox used on early models. One of the fundamental differences is that the gearbox and engine on the latest...
Ongoing maintenance Models up to October 1986 5. The only regular procedure required is to change the oil. There is no opportunity to check the oil level in the box or in the final drive housing, so the oil must be drained completely and...
Gearbox — removal and installation The BE1 gearbox can be removed independently of the engine. 10. Remove the battery and its platform. 11. Remove the hood cover ( see chapter 11, section 7 ). 12. Loosen the bolts of one of the front wheels and then...
Adjustment of the gearshift lever mechanism Early models (without reverse gear lock cable) 35. Set the gearbox to neutral and check that the levers on the box are in the correct position (see b/fig. 12.51). Due to the lack of main splines, it is quite possible to...
Gearbox (5-speed) — disassembly into main components 51 See. section 3, paragraph 1 (the remarks given there are also valid in this case). 52. Remove the 8 bolts with washers securing the end cap. Remove cover (see photo). 53. Mark the relative position of the hub and the...
Gearbox (4-speed) — disassembly into main components 88. As already mentioned above , A 4-speed gearbox differs from a 5-speed one only in that it does not have a 5th gear and related parts. The only difference in the disassembly procedure is the method of removing the...
Gearbox — inspection and tidying up 92. For general instructions on inspecting transmission components, see section 4 . 93. Retaining rings, cylindrical pins, gaskets, seals and locking parts must be replaced regardless of their condition. Remove the old...
Drive shaft — disassembly and assembly 95. Support the drive shaft under the 3rd gear and press out or knock out the shaft so as to remove the 3rd and 4th gear parts from it. After the rear bearing is released, the remaining parts of the shaft can be removed...
Output shaft — disassembly and assembly 104. Remove the 5th gear from the output shaft (where applicable) and rear bearing. If they are tight on the shaft, you can use a puller (see photo). 105. Remove the 3/4 gear block, and then the 2 gear gear with its...
Gear shift mechanism — disassembly and assembly 119. One of the features of the box in question is that the springs and retainer balls are in the forks (see photo). If the spring becomes weak, the entire fork must be replaced. (This does not apply to the 5th gear...
Differential — disassembly and assembly 127. Screw in the bolts securing the driven gear to the differential box. 128. Remove side gears (see photo). (On the latest models, in which the side gear is equipped with a centering ring, to remove the side gears,...
Transmission (5-Speed) — Assembly 136. Start assembly by installing the gearshift lever in the main crankcase. Check that the dowel pin is in place on the contact surface of the final drive case. 137. Apply sealant to the contact surface and install the...
Transmission (4-Speed) — Assembly 185. The only difference compared to the assembly of the 5-speed box (other than the obvious lack of 5th gear parts) consists in a method of blocking gear blocks while tightening the nuts of the drive and output shafts....
BE1 Transmission Fault Diagnosis 187. See troubleshooting in section 10 taking into account the following additional points: If the box is noisy, check the level and quality of the oil. Difficulty engaging reverse gear - the clutch disc is stuck on the...