Differences

This shows you the differences between two versions of the page.

--- osspeed21vzbspecii [2026/08/02 10:41] – nitroadmin
+++ osspeed21vzbspecii [2026/08/30 15:19] (current) – [Specifications] nitroadmin
@@ Line 7: / Line 7: @@
 ==== Specifications ====
-^Variant ^ Notes
+^ ^
 | Manufacturer | OS Engines |
 | Re-branded Engine | No |
@@ Line 19: / Line 19: @@
 | Displacement | 3.46cc/0.211cu in |
 | Weight | 349g/12.32oz |
-| Instruction Manual | [[http://nitroenginewiki.com/images/osspeed13911/13911_OSSP21VZ_VSPEC2_MANUAL.pdf|Click]] |
-| Exploded View | [[http://nitroenginewiki.com/images/osspeed13911/13911_OSSP21VZ_VSPEC2_EXPLODED.pdf|Click]] |
 ==== Crank Specifications ====
-{{ http://nitroenginewiki.com/images/osspeed13893/crank.gif}}
+{{ http://nitroenginewiki.com/images/osspeed13911/crank.gif}}
 ^Variant ^ Notes
 | Crankshaft  | Double Tungsten Slugged/DLC Coated/Silicone Fill |
@@ Line 36: / Line 34: @@
 | Case | Cast Aluminum Black Oxide Coated |
 | Backplate | Bump Start |
+| Exhaust | Rear |
 ==== Rod Specifications ====
@@ Line 51: / Line 49: @@
 ==== Carburetor Specifications ====
-Uses OS 21J carburetor. Carb Needle settings are default after breakin.
+Carb Needle settings are default after breakin.
-{{ http://nitroenginewiki.com/images/osspeed13893/carb.gif}}
+{{ http://nitroenginewiki.com/images/osspeed13911/carb.gif}}
 ^Variant ^ Notes
+| Carburetor | OS 21J |
 | Carburetor Size | 7mm |
 | Carburetor Style | Slide |
@@ Line 59: / Line 58: @@
 | Carburetor Adjustment | 3 Needle |
 | Carburetor Restrictors | 6mm, 6.5mm, 7mm |
-| Carb LSN | - |
-| Carb MSN | - |
-| Carb HSN | - |
 ==== Head Button/Cooling Head Specifications ====
-{{ http://nitroenginewiki.com/images/osspeed13893/coolinghead.jpg?330x337}}
+{{ http://nitroenginewiki.com/images/osspeed13911/coolinghead.jpg?330x337}}
 ^Variant ^ Notes
 | Head Button | Turbo |
@@ Line 81: / Line 77: @@
 ==== Timing Specs ====
-^ ^
+//Main article: [[timing#o_ofna_ops_os|Timing Table]]//
-| Intake Rotor Timing Opening | 15.5° ABDC |
-| Intake Rotor Timing Closing | 74.5° ATDC |
-| Intake Rotor Timing Duration | 239° |
-| Transfer Timing Height | 3.5mm from BDC |
-| Transfer Timing Duration | 114° |
-| Exhaust Timing Height | 6.4mm from BDC |
-| Exhaust Timing Duration | 114° |
-TIMING DIAGRAM HERE
+==== Downloads ====
+^ ^
+| Instruction Manual | [[http://nitroenginewiki.com/images/osspeed13911/13911_OSSP21VZ_VSPEC2_MANUAL.pdf|Click]] |
+| Exploded View | [[http://nitroenginewiki.com/images/osspeed13911/13911_OSSP21VZ_VSPEC2_EXPLODED.pdf|Click]] |
 ==== Performance ====
@@ Line 103: / Line 95: @@
 ==== Variants ====
 ^Variant ^ Notes
-| OS Speed 21VZ-B V-Spec | Original, Magnesium cooling head, 21H Carb 320.5g/11.3oz, Part#13893 |
+| [[osspeed21vzbv-spec|OS Speed 21VZ-B V-Spec]] | Original, Magnesium cooling head, 21H Carb 320.5g/11.3oz, Part#13893 |
-| OS Speed 21VZ-B V-Spec AL | Same as original, Aluminum cooling head, 361.8g/12.46oz, Part#13894 |
+| [[osspeed21vzbv-spec|OS Speed 21VZ-B V-Spec AL]] | Same as original, Aluminum cooling head, 361.8g/12.46oz, Part#13894 |
-| OS Speed 21VZ-B V-Spec SpecII | Same as original, Drilled Aluminum cooling head, 21J Carb 349g/12.32oz, Part#13811 |
+| [[osspeed21vzbspecii|OS Speed 21VZ-B SpecII]] | Same as original, Drilled Aluminum cooling head, 21J Carb 349g/12.32oz, Part#13811 |
-| Protek 321B Samurai V2 | Same as Speed, Drilled Aluminum cooling head, 355g/12.52oz, Part#PTK-2500 |
+| [[protek321bsamurai|Protek 321B Samurai V2]] | Same as Speed, Drilled Aluminum cooling head, 355g/12.52oz, Part#PTK-2500 |
-| Ninja JX21 B01 | 5 port version of speed, OS 28XZ Case, no slugs in crank, Aluminum cooling head, 361.8g/12.46oz, Part#JX21B01 |
+| [[ninjajx21bo1|Ninja JX21 B01]] | 5 port version of speed, OS 28XZ Case, no slugs in crank, Aluminum cooling head, 361.8g/12.46oz, Part#JX21B01 |
-| Ninja JX21 B01A | Same as original JX, Drilled Aluminum cooling head, 374g/13.19oz, Part#JX21B01A |
+| [[ninjajx21bo1a|Ninja JX21 B01A]] | Same as original JX, Drilled Aluminum cooling head, 374g/13.19oz, Part#JX21B01A |